Home / 465,718,999.20-698,578,498.80-396,472,236.90

Finding the Fourth Proportional to 465,718,999.20, 698,578,498.80 and 396,472,236.90

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Solution

The fourth proportional to 465,718,999.20, 698,578,498.80 and 396,472,236.90 is: 594,708,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,718,999.20 : 698,578,498.80 = 396,472,236.90 : x
  2. Step 2: Convert to fraction form
    465,718,999.20/698,578,498.80 = 396,472,236.90/x
  3. Step 3: Cross multiply
    465,718,999.20x = 698,578,498.80 × 396,472,236.90
  4. Step 4: Simplify right side
    465,718,999.20x = 276,966,980,069,479,936
  5. Step 5: Solve for x
    x = 276,966,980,069,479,936/465,718,999.20
  6. Step 6: Final answer
    x = 594,708,355.35

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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.