Home / 383,107,713.60-528,688,624.65-206,895,691.93

Finding the Fourth Proportional to 383,107,713.60, 528,688,624.65 and 206,895,691.93

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Solution

The fourth proportional to 383,107,713.60, 528,688,624.65 and 206,895,691.93 is: 285,516,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,107,713.60 : 528,688,624.65 = 206,895,691.93 : x
  2. Step 2: Convert to fraction form
    383,107,713.60/528,688,624.65 = 206,895,691.93/x
  3. Step 3: Cross multiply
    383,107,713.60x = 528,688,624.65 × 206,895,691.93
  4. Step 4: Simplify right side
    383,107,713.60x = 109,383,398,812,481,808
  5. Step 5: Solve for x
    x = 109,383,398,812,481,808/383,107,713.60
  6. Step 6: Final answer
    x = 285,516,044.00

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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.