Home / 538,004,048.10-807,006,072.15-489,536,628.90

Finding the Fourth Proportional to 538,004,048.10, 807,006,072.15 and 489,536,628.90

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Solution

The fourth proportional to 538,004,048.10, 807,006,072.15 and 489,536,628.90 is: 734,304,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,004,048.10 : 807,006,072.15 = 489,536,628.90 : x
  2. Step 2: Convert to fraction form
    538,004,048.10/807,006,072.15 = 489,536,628.90/x
  3. Step 3: Cross multiply
    538,004,048.10x = 807,006,072.15 × 489,536,628.90
  4. Step 4: Simplify right side
    538,004,048.10x = 395,059,032,062,141,120
  5. Step 5: Solve for x
    x = 395,059,032,062,141,120/538,004,048.10
  6. Step 6: Final answer
    x = 734,304,943.35

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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.