Home / 531,548,542.80-733,427,432.16-305,443,841.92

Finding the Fourth Proportional to 531,548,542.80, 733,427,432.16 and 305,443,841.92

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Solution

The fourth proportional to 531,548,542.80, 733,427,432.16 and 305,443,841.92 is: 421,449,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,548,542.80 : 733,427,432.16 = 305,443,841.92 : x
  2. Step 2: Convert to fraction form
    531,548,542.80/733,427,432.16 = 305,443,841.92/x
  3. Step 3: Cross multiply
    531,548,542.80x = 733,427,432.16 × 305,443,841.92
  4. Step 4: Simplify right side
    531,548,542.80x = 224,020,892,648,470,560
  5. Step 5: Solve for x
    x = 224,020,892,648,470,560/531,548,542.80
  6. Step 6: Final answer
    x = 421,449,547.14

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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.