Home / 430,970,781.10-646,456,180.20-103,446,294.19

Finding the Fourth Proportional to 430,970,781.10, 646,456,180.20 and 103,446,294.19

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Solution

The fourth proportional to 430,970,781.10, 646,456,180.20 and 103,446,294.19 is: 155,169,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,970,781.10 : 646,456,180.20 = 103,446,294.19 : x
  2. Step 2: Convert to fraction form
    430,970,781.10/646,456,180.20 = 103,446,294.19/x
  3. Step 3: Cross multiply
    430,970,781.10x = 646,456,180.20 × 103,446,294.19
  4. Step 4: Simplify right side
    430,970,781.10x = 66,873,496,197,912,856
  5. Step 5: Solve for x
    x = 66,873,496,197,912,856/430,970,781.10
  6. Step 6: Final answer
    x = 155,169,443.34

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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.