Home / 913,925,432-1,261,217,096.16-522,784,856

Finding the Fourth Proportional to 913,925,432, 1,261,217,096.16 and 522,784,856

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Solution

The fourth proportional to 913,925,432, 1,261,217,096.16 and 522,784,856 is: 721,443,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,925,432 : 1,261,217,096.16 = 522,784,856 : x
  2. Step 2: Convert to fraction form
    913,925,432/1,261,217,096.16 = 522,784,856/x
  3. Step 3: Cross multiply
    913,925,432x = 1,261,217,096.16 × 522,784,856
  4. Step 4: Simplify right side
    913,925,432x = 659,345,198,000,743,808
  5. Step 5: Solve for x
    x = 659,345,198,000,743,808/913,925,432
  6. Step 6: Final answer
    x = 721,443,101.28

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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.