Home / 6,465,605,443.60-9,698,408,165.40-4,915,923,487.60

Finding the Fourth Proportional to 6,465,605,443.60, 9,698,408,165.40 and 4,915,923,487.60

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Solution

The fourth proportional to 6,465,605,443.60, 9,698,408,165.40 and 4,915,923,487.60 is: 7,373,885,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465,605,443.60 : 9,698,408,165.40 = 4,915,923,487.60 : x
  2. Step 2: Convert to fraction form
    6,465,605,443.60/9,698,408,165.40 = 4,915,923,487.60/x
  3. Step 3: Cross multiply
    6,465,605,443.60x = 9,698,408,165.40 × 4,915,923,487.60
  4. Step 4: Simplify right side
    6,465,605,443.60x = 47,676,632,492,621,488,128
  5. Step 5: Solve for x
    x = 47,676,632,492,621,488,128/6,465,605,443.60
  6. Step 6: Final answer
    x = 7,373,885,231.40

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Half scale
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Double scale
Find fourth proportional to 6,465,605,444.60, 9,698,408,166.90 and 4,915,923,488.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.