Home / 816,155,491.46-1,222,438,780.01-674,490,426.64

Finding the Fourth Proportional to 816,155,491.46, 1,222,438,780.01 and 674,490,426.64

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Solution

The fourth proportional to 816,155,491.46, 1,222,438,780.01 and 674,490,426.64 is: 1,010,252,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,155,491.46 : 1,222,438,780.01 = 674,490,426.64 : x
  2. Step 2: Convert to fraction form
    816,155,491.46/1,222,438,780.01 = 674,490,426.64/x
  3. Step 3: Cross multiply
    816,155,491.46x = 1,222,438,780.01 × 674,490,426.64
  4. Step 4: Simplify right side
    816,155,491.46x = 824,523,254,268,856,192
  5. Step 5: Solve for x
    x = 824,523,254,268,856,192/816,155,491.46
  6. Step 6: Final answer
    x = 1,010,252,657.61

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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.