Home / 2,125,760,310.40-3,189,144,350.40-1,090,780,931.20

Finding the Fourth Proportional to 2,125,760,310.40, 3,189,144,350.40 and 1,090,780,931.20

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Solution

The fourth proportional to 2,125,760,310.40, 3,189,144,350.40 and 1,090,780,931.20 is: 1,636,429,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,760,310.40 : 3,189,144,350.40 = 1,090,780,931.20 : x
  2. Step 2: Convert to fraction form
    2,125,760,310.40/3,189,144,350.40 = 1,090,780,931.20/x
  3. Step 3: Cross multiply
    2,125,760,310.40x = 3,189,144,350.40 × 1,090,780,931.20
  4. Step 4: Simplify right side
    2,125,760,310.40x = 3,478,657,844,260,531,200
  5. Step 5: Solve for x
    x = 3,478,657,844,260,531,200/2,125,760,310.40
  6. Step 6: Final answer
    x = 1,636,429,952.73

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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.