Home / 487,221,737.60-730,832,606.40-293,511,493.10

Finding the Fourth Proportional to 487,221,737.60, 730,832,606.40 and 293,511,493.10

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Solution

The fourth proportional to 487,221,737.60, 730,832,606.40 and 293,511,493.10 is: 440,267,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,221,737.60 : 730,832,606.40 = 293,511,493.10 : x
  2. Step 2: Convert to fraction form
    487,221,737.60/730,832,606.40 = 293,511,493.10/x
  3. Step 3: Cross multiply
    487,221,737.60x = 730,832,606.40 × 293,511,493.10
  4. Step 4: Simplify right side
    487,221,737.60x = 214,507,769,510,628,640
  5. Step 5: Solve for x
    x = 214,507,769,510,628,640/487,221,737.60
  6. Step 6: Final answer
    x = 440,267,239.65

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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.