Home / 1,436,885,999.10-2,155,328,998.65-1,126,949,607.90

Finding the Fourth Proportional to 1,436,885,999.10, 2,155,328,998.65 and 1,126,949,607.90

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Solution

The fourth proportional to 1,436,885,999.10, 2,155,328,998.65 and 1,126,949,607.90 is: 1,690,424,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,885,999.10 : 2,155,328,998.65 = 1,126,949,607.90 : x
  2. Step 2: Convert to fraction form
    1,436,885,999.10/2,155,328,998.65 = 1,126,949,607.90/x
  3. Step 3: Cross multiply
    1,436,885,999.10x = 2,155,328,998.65 × 1,126,949,607.90
  4. Step 4: Simplify right side
    1,436,885,999.10x = 2,428,947,169,924,117,504
  5. Step 5: Solve for x
    x = 2,428,947,169,924,117,504/1,436,885,999.10
  6. Step 6: Final answer
    x = 1,690,424,411.85

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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.