Home / 458,970,209.68-688,600,851.02-163,858,998.48

Finding the Fourth Proportional to 458,970,209.68, 688,600,851.02 and 163,858,998.48

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Solution

The fourth proportional to 458,970,209.68, 688,600,851.02 and 163,858,998.48 is: 245,840,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,970,209.68 : 688,600,851.02 = 163,858,998.48 : x
  2. Step 2: Convert to fraction form
    458,970,209.68/688,600,851.02 = 163,858,998.48/x
  3. Step 3: Cross multiply
    458,970,209.68x = 688,600,851.02 × 163,858,998.48
  4. Step 4: Simplify right side
    458,970,209.68x = 112,833,445,800,612,880
  5. Step 5: Solve for x
    x = 112,833,445,800,612,880/458,970,209.68
  6. Step 6: Final answer
    x = 245,840,456.35

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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.