Home / 913,475,836.94-1,260,380,591.10-516,998,818.14

Finding the Fourth Proportional to 913,475,836.94, 1,260,380,591.10 and 516,998,818.14

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Solution

The fourth proportional to 913,475,836.94, 1,260,380,591.10 and 516,998,818.14 is: 713,336,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,475,836.94 : 1,260,380,591.10 = 516,998,818.14 : x
  2. Step 2: Convert to fraction form
    913,475,836.94/1,260,380,591.10 = 516,998,818.14/x
  3. Step 3: Cross multiply
    913,475,836.94x = 1,260,380,591.10 × 516,998,818.14
  4. Step 4: Simplify right side
    913,475,836.94x = 651,615,276,005,294,592
  5. Step 5: Solve for x
    x = 651,615,276,005,294,592/913,475,836.94
  6. Step 6: Final answer
    x = 713,336,083.62

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1.5x scale

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.