Home / 712,319,264.80-1,068,478,897.20-528,653,255.20

Finding the Fourth Proportional to 712,319,264.80, 1,068,478,897.20 and 528,653,255.20

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Solution

The fourth proportional to 712,319,264.80, 1,068,478,897.20 and 528,653,255.20 is: 792,979,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,319,264.80 : 1,068,478,897.20 = 528,653,255.20 : x
  2. Step 2: Convert to fraction form
    712,319,264.80/1,068,478,897.20 = 528,653,255.20/x
  3. Step 3: Cross multiply
    712,319,264.80x = 1,068,478,897.20 × 528,653,255.20
  4. Step 4: Simplify right side
    712,319,264.80x = 564,854,847,117,286,208
  5. Step 5: Solve for x
    x = 564,854,847,117,286,208/712,319,264.80
  6. Step 6: Final answer
    x = 792,979,882.80

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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.