Home / 421,871,995.29-632,822,344.31-200,429,050.29

Finding the Fourth Proportional to 421,871,995.29, 632,822,344.31 and 200,429,050.29

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Solution

The fourth proportional to 421,871,995.29, 632,822,344.31 and 200,429,050.29 is: 300,650,393.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,871,995.29 : 632,822,344.31 = 200,429,050.29 : x
  2. Step 2: Convert to fraction form
    421,871,995.29/632,822,344.31 = 200,429,050.29/x
  3. Step 3: Cross multiply
    421,871,995.29x = 632,822,344.31 × 200,429,050.29
  4. Step 4: Simplify right side
    421,871,995.29x = 126,835,981,471,342,528
  5. Step 5: Solve for x
    x = 126,835,981,471,342,528/421,871,995.29
  6. Step 6: Final answer
    x = 300,650,393.69

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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.