Home / 499,063,257.40-748,644,911.70-171,495,628.60

Finding the Fourth Proportional to 499,063,257.40, 748,644,911.70 and 171,495,628.60

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Solution

The fourth proportional to 499,063,257.40, 748,644,911.70 and 171,495,628.60 is: 257,260,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,063,257.40 : 748,644,911.70 = 171,495,628.60 : x
  2. Step 2: Convert to fraction form
    499,063,257.40/748,644,911.70 = 171,495,628.60/x
  3. Step 3: Cross multiply
    499,063,257.40x = 748,644,911.70 × 171,495,628.60
  4. Step 4: Simplify right side
    499,063,257.40x = 128,389,329,730,182,992
  5. Step 5: Solve for x
    x = 128,389,329,730,182,992/499,063,257.40
  6. Step 6: Final answer
    x = 257,260,633.45

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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.