Home / 1,399,687,435.60-2,099,531,153.40-1,379,280,101.20

Finding the Fourth Proportional to 1,399,687,435.60, 2,099,531,153.40 and 1,379,280,101.20

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Solution

The fourth proportional to 1,399,687,435.60, 2,099,531,153.40 and 1,379,280,101.20 is: 2,068,920,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,687,435.60 : 2,099,531,153.40 = 1,379,280,101.20 : x
  2. Step 2: Convert to fraction form
    1,399,687,435.60/2,099,531,153.40 = 1,379,280,101.20/x
  3. Step 3: Cross multiply
    1,399,687,435.60x = 2,099,531,153.40 × 1,379,280,101.20
  4. Step 4: Simplify right side
    1,399,687,435.60x = 2,895,841,541,734,105,088
  5. Step 5: Solve for x
    x = 2,895,841,541,734,105,088/1,399,687,435.60
  6. Step 6: Final answer
    x = 2,068,920,151.80

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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.