Home / 976,650,802.80-1,466,676,815.40-517,485,778.80

Finding the Fourth Proportional to 976,650,802.80, 1,466,676,815.40 and 517,485,778.80

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Solution

The fourth proportional to 976,650,802.80, 1,466,676,815.40 and 517,485,778.80 is: 777,129,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,650,802.80 : 1,466,676,815.40 = 517,485,778.80 : x
  2. Step 2: Convert to fraction form
    976,650,802.80/1,466,676,815.40 = 517,485,778.80/x
  3. Step 3: Cross multiply
    976,650,802.80x = 1,466,676,815.40 × 517,485,778.80
  4. Step 4: Simplify right side
    976,650,802.80x = 758,984,394,065,172,864
  5. Step 5: Solve for x
    x = 758,984,394,065,172,864/976,650,802.80
  6. Step 6: Final answer
    x = 777,129,749.84

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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.