Home / 1,478,101,266.86-2,216,869,339.82-442,962,147.78

Finding the Fourth Proportional to 1,478,101,266.86, 2,216,869,339.82 and 442,962,147.78

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Solution

The fourth proportional to 1,478,101,266.86, 2,216,869,339.82 and 442,962,147.78 is: 664,358,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,101,266.86 : 2,216,869,339.82 = 442,962,147.78 : x
  2. Step 2: Convert to fraction form
    1,478,101,266.86/2,216,869,339.82 = 442,962,147.78/x
  3. Step 3: Cross multiply
    1,478,101,266.86x = 2,216,869,339.82 × 442,962,147.78
  4. Step 4: Simplify right side
    1,478,101,266.86x = 981,989,204,114,297,856
  5. Step 5: Solve for x
    x = 981,989,204,114,297,856/1,478,101,266.86
  6. Step 6: Final answer
    x = 664,358,543.04

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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.