Home / 293,386,556.10-439,758,426.15-147,587,592.90

Finding the Fourth Proportional to 293,386,556.10, 439,758,426.15 and 147,587,592.90

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Solution

The fourth proportional to 293,386,556.10, 439,758,426.15 and 147,587,592.90 is: 221,219,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,386,556.10 : 439,758,426.15 = 147,587,592.90 : x
  2. Step 2: Convert to fraction form
    293,386,556.10/439,758,426.15 = 147,587,592.90/x
  3. Step 3: Cross multiply
    293,386,556.10x = 439,758,426.15 × 147,587,592.90
  4. Step 4: Simplify right side
    293,386,556.10x = 64,902,887,572,970,912
  5. Step 5: Solve for x
    x = 64,902,887,572,970,912/293,386,556.10
  6. Step 6: Final answer
    x = 221,219,705.62

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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.