Home / 7,838,640,120.20-11,757,960,180.30-7,657,241,592.20

Finding the Fourth Proportional to 7,838,640,120.20, 11,757,960,180.30 and 7,657,241,592.20

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Solution

The fourth proportional to 7,838,640,120.20, 11,757,960,180.30 and 7,657,241,592.20 is: 11,485,862,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,640,120.20 : 11,757,960,180.30 = 7,657,241,592.20 : x
  2. Step 2: Convert to fraction form
    7,838,640,120.20/11,757,960,180.30 = 7,657,241,592.20/x
  3. Step 3: Cross multiply
    7,838,640,120.20x = 11,757,960,180.30 × 7,657,241,592.20
  4. Step 4: Simplify right side
    7,838,640,120.20x = 90,033,541,732,024,565,760
  5. Step 5: Solve for x
    x = 90,033,541,732,024,565,760/7,838,640,120.20
  6. Step 6: Final answer
    x = 11,485,862,388.30

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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.