Home / 319,764,444-479,692,420.32-98,454,508.80

Finding the Fourth Proportional to 319,764,444, 479,692,420.32 and 98,454,508.80

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Solution

The fourth proportional to 319,764,444, 479,692,420.32 and 98,454,508.80 is: 147,695,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,764,444 : 479,692,420.32 = 98,454,508.80 : x
  2. Step 2: Convert to fraction form
    319,764,444/479,692,420.32 = 98,454,508.80/x
  3. Step 3: Cross multiply
    319,764,444x = 479,692,420.32 × 98,454,508.80
  4. Step 4: Simplify right side
    319,764,444x = 47,227,881,617,688,736
  5. Step 5: Solve for x
    x = 47,227,881,617,688,736/319,764,444
  6. Step 6: Final answer
    x = 147,695,850.82

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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.