Home / 587,350,762.40-881,026,143.60-491,799,274.40

Finding the Fourth Proportional to 587,350,762.40, 881,026,143.60 and 491,799,274.40

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Solution

The fourth proportional to 587,350,762.40, 881,026,143.60 and 491,799,274.40 is: 737,698,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,350,762.40 : 881,026,143.60 = 491,799,274.40 : x
  2. Step 2: Convert to fraction form
    587,350,762.40/881,026,143.60 = 491,799,274.40/x
  3. Step 3: Cross multiply
    587,350,762.40x = 881,026,143.60 × 491,799,274.40
  4. Step 4: Simplify right side
    587,350,762.40x = 433,288,018,149,910,208
  5. Step 5: Solve for x
    x = 433,288,018,149,910,208/587,350,762.40
  6. Step 6: Final answer
    x = 737,698,911.60

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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.