Home / 481,345,784.69-721,808,421.28-170,350,082.37

Finding the Fourth Proportional to 481,345,784.69, 721,808,421.28 and 170,350,082.37

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Solution

The fourth proportional to 481,345,784.69, 721,808,421.28 and 170,350,082.37 is: 255,450,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,345,784.69 : 721,808,421.28 = 170,350,082.37 : x
  2. Step 2: Convert to fraction form
    481,345,784.69/721,808,421.28 = 170,350,082.37/x
  3. Step 3: Cross multiply
    481,345,784.69x = 721,808,421.28 × 170,350,082.37
  4. Step 4: Simplify right side
    481,345,784.69x = 122,960,124,019,981,792
  5. Step 5: Solve for x
    x = 122,960,124,019,981,792/481,345,784.69
  6. Step 6: Final answer
    x = 255,450,713.25

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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.