Home / 389,461,234.66-584,200,467.38-140,486,399.60

Finding the Fourth Proportional to 389,461,234.66, 584,200,467.38 and 140,486,399.60

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Solution

The fourth proportional to 389,461,234.66, 584,200,467.38 and 140,486,399.60 is: 210,732,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,461,234.66 : 584,200,467.38 = 140,486,399.60 : x
  2. Step 2: Convert to fraction form
    389,461,234.66/584,200,467.38 = 140,486,399.60/x
  3. Step 3: Cross multiply
    389,461,234.66x = 584,200,467.38 × 140,486,399.60
  4. Step 4: Simplify right side
    389,461,234.66x = 82,072,220,304,283,664
  5. Step 5: Solve for x
    x = 82,072,220,304,283,664/389,461,234.66
  6. Step 6: Final answer
    x = 210,732,707.14

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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.