Home / 888,684,689.14-1,227,209,234.85-665,278,516.65

Finding the Fourth Proportional to 888,684,689.14, 1,227,209,234.85 and 665,278,516.65

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Solution

The fourth proportional to 888,684,689.14, 1,227,209,234.85 and 665,278,516.65 is: 918,701,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,684,689.14 : 1,227,209,234.85 = 665,278,516.65 : x
  2. Step 2: Convert to fraction form
    888,684,689.14/1,227,209,234.85 = 665,278,516.65/x
  3. Step 3: Cross multiply
    888,684,689.14x = 1,227,209,234.85 × 665,278,516.65
  4. Step 4: Simplify right side
    888,684,689.14x = 816,435,939,380,189,440
  5. Step 5: Solve for x
    x = 816,435,939,380,189,440/888,684,689.14
  6. Step 6: Final answer
    x = 918,701,480.24

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Double scale
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1.5x scale

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.