Home / 649,366,775.68-896,127,346.72-352,008,097.92

Finding the Fourth Proportional to 649,366,775.68, 896,127,346.72 and 352,008,097.92

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Solution

The fourth proportional to 649,366,775.68, 896,127,346.72 and 352,008,097.92 is: 485,771,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,366,775.68 : 896,127,346.72 = 352,008,097.92 : x
  2. Step 2: Convert to fraction form
    649,366,775.68/896,127,346.72 = 352,008,097.92/x
  3. Step 3: Cross multiply
    649,366,775.68x = 896,127,346.72 × 352,008,097.92
  4. Step 4: Simplify right side
    649,366,775.68x = 315,444,082,813,003,584
  5. Step 5: Solve for x
    x = 315,444,082,813,003,584/649,366,775.68
  6. Step 6: Final answer
    x = 485,771,823.61

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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.