Home / 1,178,519,937.06-1,626,396,775.20-642,700,837.11

Finding the Fourth Proportional to 1,178,519,937.06, 1,626,396,775.20 and 642,700,837.11

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Solution

The fourth proportional to 1,178,519,937.06, 1,626,396,775.20 and 642,700,837.11 is: 886,948,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,519,937.06 : 1,626,396,775.20 = 642,700,837.11 : x
  2. Step 2: Convert to fraction form
    1,178,519,937.06/1,626,396,775.20 = 642,700,837.11/x
  3. Step 3: Cross multiply
    1,178,519,937.06x = 1,626,396,775.20 × 642,700,837.11
  4. Step 4: Simplify right side
    1,178,519,937.06x = 1,045,286,568,894,044,544
  5. Step 5: Solve for x
    x = 1,045,286,568,894,044,544/1,178,519,937.06
  6. Step 6: Final answer
    x = 886,948,566.61

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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.