Home / 770,770,507.92-1,063,660,618.88-418,346,497.71

Finding the Fourth Proportional to 770,770,507.92, 1,063,660,618.88 and 418,346,497.71

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Solution

The fourth proportional to 770,770,507.92, 1,063,660,618.88 and 418,346,497.71 is: 577,316,711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,770,507.92 : 1,063,660,618.88 = 418,346,497.71 : x
  2. Step 2: Convert to fraction form
    770,770,507.92/1,063,660,618.88 = 418,346,497.71/x
  3. Step 3: Cross multiply
    770,770,507.92x = 1,063,660,618.88 × 418,346,497.71
  4. Step 4: Simplify right side
    770,770,507.92x = 444,978,694,659,997,056
  5. Step 5: Solve for x
    x = 444,978,694,659,997,056/770,770,507.92
  6. Step 6: Final answer
    x = 577,316,711.12

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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.