Home / 766,566,038.73-1,149,389,372.76-351,522,921.76

Finding the Fourth Proportional to 766,566,038.73, 1,149,389,372.76 and 351,522,921.76

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Solution

The fourth proportional to 766,566,038.73, 1,149,389,372.76 and 351,522,921.76 is: 527,073,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,566,038.73 : 1,149,389,372.76 = 351,522,921.76 : x
  2. Step 2: Convert to fraction form
    766,566,038.73/1,149,389,372.76 = 351,522,921.76/x
  3. Step 3: Cross multiply
    766,566,038.73x = 1,149,389,372.76 × 351,522,921.76
  4. Step 4: Simplify right side
    766,566,038.73x = 404,036,710,552,488,960
  5. Step 5: Solve for x
    x = 404,036,710,552,488,960/766,566,038.73
  6. Step 6: Final answer
    x = 527,073,585.50

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1.5x scale

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.