Home / 1,178,098,868.10-1,625,787,437.13-649,481,834.28

Finding the Fourth Proportional to 1,178,098,868.10, 1,625,787,437.13 and 649,481,834.28

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Solution

The fourth proportional to 1,178,098,868.10, 1,625,787,437.13 and 649,481,834.28 is: 896,290,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,098,868.10 : 1,625,787,437.13 = 649,481,834.28 : x
  2. Step 2: Convert to fraction form
    1,178,098,868.10/1,625,787,437.13 = 649,481,834.28/x
  3. Step 3: Cross multiply
    1,178,098,868.10x = 1,625,787,437.13 × 649,481,834.28
  4. Step 4: Simplify right side
    1,178,098,868.10x = 1,055,919,406,816,572,544
  5. Step 5: Solve for x
    x = 1,055,919,406,816,572,544/1,178,098,868.10
  6. Step 6: Final answer
    x = 896,290,995.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.