Home / 315,967,834.26-473,781,330.63-143,350,470.90

Finding the Fourth Proportional to 315,967,834.26, 473,781,330.63 and 143,350,470.90

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Solution

The fourth proportional to 315,967,834.26, 473,781,330.63 and 143,350,470.90 is: 214,948,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,967,834.26 : 473,781,330.63 = 143,350,470.90 : x
  2. Step 2: Convert to fraction form
    315,967,834.26/473,781,330.63 = 143,350,470.90/x
  3. Step 3: Cross multiply
    315,967,834.26x = 473,781,330.63 × 143,350,470.90
  4. Step 4: Simplify right side
    315,967,834.26x = 67,916,776,849,439,096
  5. Step 5: Solve for x
    x = 67,916,776,849,439,096/315,967,834.26
  6. Step 6: Final answer
    x = 214,948,388.68

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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.