Home / 747,154,147.76-1,120,616,285.22-249,173,411.22

Finding the Fourth Proportional to 747,154,147.76, 1,120,616,285.22 and 249,173,411.22

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Solution

The fourth proportional to 747,154,147.76, 1,120,616,285.22 and 249,173,411.22 is: 373,721,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,154,147.76 : 1,120,616,285.22 = 249,173,411.22 : x
  2. Step 2: Convert to fraction form
    747,154,147.76/1,120,616,285.22 = 249,173,411.22/x
  3. Step 3: Cross multiply
    747,154,147.76x = 1,120,616,285.22 × 249,173,411.22
  4. Step 4: Simplify right side
    747,154,147.76x = 279,227,782,456,951,872
  5. Step 5: Solve for x
    x = 279,227,782,456,951,872/747,154,147.76
  6. Step 6: Final answer
    x = 373,721,785.92

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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.