Home / 661,254,236.91-912,325,412.12-375,098,601.75

Finding the Fourth Proportional to 661,254,236.91, 912,325,412.12 and 375,098,601.75

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Solution

The fourth proportional to 661,254,236.91, 912,325,412.12 and 375,098,601.75 is: 517,519,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,254,236.91 : 912,325,412.12 = 375,098,601.75 : x
  2. Step 2: Convert to fraction form
    661,254,236.91/912,325,412.12 = 375,098,601.75/x
  3. Step 3: Cross multiply
    661,254,236.91x = 912,325,412.12 × 375,098,601.75
  4. Step 4: Simplify right side
    661,254,236.91x = 342,211,986,425,329,024
  5. Step 5: Solve for x
    x = 342,211,986,425,329,024/661,254,236.91
  6. Step 6: Final answer
    x = 517,519,536.85

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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.