Home / 1,381,217,963.60-2,071,495,169.40-797,690,334.80

Finding the Fourth Proportional to 1,381,217,963.60, 2,071,495,169.40 and 797,690,334.80

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Solution

The fourth proportional to 1,381,217,963.60, 2,071,495,169.40 and 797,690,334.80 is: 1,196,343,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,217,963.60 : 2,071,495,169.40 = 797,690,334.80 : x
  2. Step 2: Convert to fraction form
    1,381,217,963.60/2,071,495,169.40 = 797,690,334.80/x
  3. Step 3: Cross multiply
    1,381,217,963.60x = 2,071,495,169.40 × 797,690,334.80
  4. Step 4: Simplify right side
    1,381,217,963.60x = 1,652,411,675,215,268,608
  5. Step 5: Solve for x
    x = 1,652,411,675,215,268,608/1,381,217,963.60
  6. Step 6: Final answer
    x = 1,196,343,892.68

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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.