Home / 709,283,353.71-1,063,925,055.17-516,422,086.21

Finding the Fourth Proportional to 709,283,353.71, 1,063,925,055.17 and 516,422,086.21

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Solution

The fourth proportional to 709,283,353.71, 1,063,925,055.17 and 516,422,086.21 is: 774,633,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,283,353.71 : 1,063,925,055.17 = 516,422,086.21 : x
  2. Step 2: Convert to fraction form
    709,283,353.71/1,063,925,055.17 = 516,422,086.21/x
  3. Step 3: Cross multiply
    709,283,353.71x = 1,063,925,055.17 × 516,422,086.21
  4. Step 4: Simplify right side
    709,283,353.71x = 549,434,396,565,582,912
  5. Step 5: Solve for x
    x = 549,434,396,565,582,912/709,283,353.71
  6. Step 6: Final answer
    x = 774,633,147.23

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Double scale
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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.