Home / 6,985,359,206.40-10,478,038,809.60-3,492,303,801.60

Finding the Fourth Proportional to 6,985,359,206.40, 10,478,038,809.60 and 3,492,303,801.60

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Solution

The fourth proportional to 6,985,359,206.40, 10,478,038,809.60 and 3,492,303,801.60 is: 5,238,455,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,359,206.40 : 10,478,038,809.60 = 3,492,303,801.60 : x
  2. Step 2: Convert to fraction form
    6,985,359,206.40/10,478,038,809.60 = 3,492,303,801.60/x
  3. Step 3: Cross multiply
    6,985,359,206.40x = 10,478,038,809.60 × 3,492,303,801.60
  4. Step 4: Simplify right side
    6,985,359,206.40x = 36,592,494,768,078,417,920
  5. Step 5: Solve for x
    x = 36,592,494,768,078,417,920/6,985,359,206.40
  6. Step 6: Final answer
    x = 5,238,455,702.40

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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.