Home / 6,438,546,846.40-9,657,820,269.60-6,193,658,833.60

Finding the Fourth Proportional to 6,438,546,846.40, 9,657,820,269.60 and 6,193,658,833.60

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Solution

The fourth proportional to 6,438,546,846.40, 9,657,820,269.60 and 6,193,658,833.60 is: 9,290,488,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,546,846.40 : 9,657,820,269.60 = 6,193,658,833.60 : x
  2. Step 2: Convert to fraction form
    6,438,546,846.40/9,657,820,269.60 = 6,193,658,833.60/x
  3. Step 3: Cross multiply
    6,438,546,846.40x = 9,657,820,269.60 × 6,193,658,833.60
  4. Step 4: Simplify right side
    6,438,546,846.40x = 59,817,243,826,129,182,720
  5. Step 5: Solve for x
    x = 59,817,243,826,129,182,720/6,438,546,846.40
  6. Step 6: Final answer
    x = 9,290,488,250.40

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Double scale
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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.