Home / 1,359,585,221.80-2,039,377,832.70-1,087,487,429.80

Finding the Fourth Proportional to 1,359,585,221.80, 2,039,377,832.70 and 1,087,487,429.80

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Solution

The fourth proportional to 1,359,585,221.80, 2,039,377,832.70 and 1,087,487,429.80 is: 1,631,231,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,585,221.80 : 2,039,377,832.70 = 1,087,487,429.80 : x
  2. Step 2: Convert to fraction form
    1,359,585,221.80/2,039,377,832.70 = 1,087,487,429.80/x
  3. Step 3: Cross multiply
    1,359,585,221.80x = 2,039,377,832.70 × 1,087,487,429.80
  4. Step 4: Simplify right side
    1,359,585,221.80x = 2,217,797,757,674,017,280
  5. Step 5: Solve for x
    x = 2,217,797,757,674,017,280/1,359,585,221.80
  6. Step 6: Final answer
    x = 1,631,231,144.70

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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.