Home / 447,516,535.67-617,579,217.38-256,808,631.20

Finding the Fourth Proportional to 447,516,535.67, 617,579,217.38 and 256,808,631.20

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Solution

The fourth proportional to 447,516,535.67, 617,579,217.38 and 256,808,631.20 is: 354,399,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,516,535.67 : 617,579,217.38 = 256,808,631.20 : x
  2. Step 2: Convert to fraction form
    447,516,535.67/617,579,217.38 = 256,808,631.20/x
  3. Step 3: Cross multiply
    447,516,535.67x = 617,579,217.38 × 256,808,631.20
  4. Step 4: Simplify right side
    447,516,535.67x = 158,599,673,470,479,200
  5. Step 5: Solve for x
    x = 158,599,673,470,479,200/447,516,535.67
  6. Step 6: Final answer
    x = 354,399,582.65

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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.