Home / 663,891,129.22-916,250,096.10-377,852,201.62

Finding the Fourth Proportional to 663,891,129.22, 916,250,096.10 and 377,852,201.62

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Solution

The fourth proportional to 663,891,129.22, 916,250,096.10 and 377,852,201.62 is: 521,481,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,891,129.22 : 916,250,096.10 = 377,852,201.62 : x
  2. Step 2: Convert to fraction form
    663,891,129.22/916,250,096.10 = 377,852,201.62/x
  3. Step 3: Cross multiply
    663,891,129.22x = 916,250,096.10 × 377,852,201.62
  4. Step 4: Simplify right side
    663,891,129.22x = 346,207,116,045,921,600
  5. Step 5: Solve for x
    x = 346,207,116,045,921,600/663,891,129.22
  6. Step 6: Final answer
    x = 521,481,762.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.