Home / 985,282,763.13-1,359,693,815.40-533,160,732.97

Finding the Fourth Proportional to 985,282,763.13, 1,359,693,815.40 and 533,160,732.97

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Solution

The fourth proportional to 985,282,763.13, 1,359,693,815.40 and 533,160,732.97 is: 735,763,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,282,763.13 : 1,359,693,815.40 = 533,160,732.97 : x
  2. Step 2: Convert to fraction form
    985,282,763.13/1,359,693,815.40 = 533,160,732.97/x
  3. Step 3: Cross multiply
    985,282,763.13x = 1,359,693,815.40 × 533,160,732.97
  4. Step 4: Simplify right side
    985,282,763.13x = 724,935,351,235,139,584
  5. Step 5: Solve for x
    x = 724,935,351,235,139,584/985,282,763.13
  6. Step 6: Final answer
    x = 735,763,760.78

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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.