Home / 693,920,025.43-957,600,706.75-396,558,856.89

Finding the Fourth Proportional to 693,920,025.43, 957,600,706.75 and 396,558,856.89

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Solution

The fourth proportional to 693,920,025.43, 957,600,706.75 and 396,558,856.89 is: 547,246,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,920,025.43 : 957,600,706.75 = 396,558,856.89 : x
  2. Step 2: Convert to fraction form
    693,920,025.43/957,600,706.75 = 396,558,856.89/x
  3. Step 3: Cross multiply
    693,920,025.43x = 957,600,706.75 × 396,558,856.89
  4. Step 4: Simplify right side
    693,920,025.43x = 379,745,041,624,844,672
  5. Step 5: Solve for x
    x = 379,745,041,624,844,672/693,920,025.43
  6. Step 6: Final answer
    x = 547,246,120.17

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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.