Home / 913,925,430-1,261,217,093.40-522,784,854

Finding the Fourth Proportional to 913,925,430, 1,261,217,093.40 and 522,784,854

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Solution

The fourth proportional to 913,925,430, 1,261,217,093.40 and 522,784,854 is: 721,443,098.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,925,430 : 1,261,217,093.40 = 522,784,854 : x
  2. Step 2: Convert to fraction form
    913,925,430/1,261,217,093.40 = 522,784,854/x
  3. Step 3: Cross multiply
    913,925,430x = 1,261,217,093.40 × 522,784,854
  4. Step 4: Simplify right side
    913,925,430x = 659,345,194,035,423,360
  5. Step 5: Solve for x
    x = 659,345,194,035,423,360/913,925,430
  6. Step 6: Final answer
    x = 721,443,098.52

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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.