Home / 711,376,896.92-1,068,286,489.52-436,641,386

Finding the Fourth Proportional to 711,376,896.92, 1,068,286,489.52 and 436,641,386

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Solution

The fourth proportional to 711,376,896.92, 1,068,286,489.52 and 436,641,386 is: 655,711,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,376,896.92 : 1,068,286,489.52 = 436,641,386 : x
  2. Step 2: Convert to fraction form
    711,376,896.92/1,068,286,489.52 = 436,641,386/x
  3. Step 3: Cross multiply
    711,376,896.92x = 1,068,286,489.52 × 436,641,386
  4. Step 4: Simplify right side
    711,376,896.92x = 466,458,093,429,087,296
  5. Step 5: Solve for x
    x = 466,458,093,429,087,296/711,376,896.92
  6. Step 6: Final answer
    x = 655,711,614.26

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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.