Home / 293,386,557.10-439,758,427.65-147,587,593.90

Finding the Fourth Proportional to 293,386,557.10, 439,758,427.65 and 147,587,593.90

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Solution

The fourth proportional to 293,386,557.10, 439,758,427.65 and 147,587,593.90 is: 221,219,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,386,557.10 : 439,758,427.65 = 147,587,593.90 : x
  2. Step 2: Convert to fraction form
    293,386,557.10/439,758,427.65 = 147,587,593.90/x
  3. Step 3: Cross multiply
    293,386,557.10x = 439,758,427.65 × 147,587,593.90
  4. Step 4: Simplify right side
    293,386,557.10x = 64,902,888,234,110,728
  5. Step 5: Solve for x
    x = 64,902,888,234,110,728/293,386,557.10
  6. Step 6: Final answer
    x = 221,219,707.12

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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.