Home / 399,255,542.90-598,883,314.35-340,804,906.10

Finding the Fourth Proportional to 399,255,542.90, 598,883,314.35 and 340,804,906.10

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Solution

The fourth proportional to 399,255,542.90, 598,883,314.35 and 340,804,906.10 is: 511,207,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,255,542.90 : 598,883,314.35 = 340,804,906.10 : x
  2. Step 2: Convert to fraction form
    399,255,542.90/598,883,314.35 = 340,804,906.10/x
  3. Step 3: Cross multiply
    399,255,542.90x = 598,883,314.35 × 340,804,906.10
  4. Step 4: Simplify right side
    399,255,542.90x = 204,102,371,711,908,544
  5. Step 5: Solve for x
    x = 204,102,371,711,908,544/399,255,542.90
  6. Step 6: Final answer
    x = 511,207,359.15

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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.