Home / 659,575,136.57-987,855,364.31-314,770,901.36

Finding the Fourth Proportional to 659,575,136.57, 987,855,364.31 and 314,770,901.36

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Solution

The fourth proportional to 659,575,136.57, 987,855,364.31 and 314,770,901.36 is: 471,436,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,575,136.57 : 987,855,364.31 = 314,770,901.36 : x
  2. Step 2: Convert to fraction form
    659,575,136.57/987,855,364.31 = 314,770,901.36/x
  3. Step 3: Cross multiply
    659,575,136.57x = 987,855,364.31 × 314,770,901.36
  4. Step 4: Simplify right side
    659,575,136.57x = 310,948,123,430,656,768
  5. Step 5: Solve for x
    x = 310,948,123,430,656,768/659,575,136.57
  6. Step 6: Final answer
    x = 471,436,999.66

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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.