Home / 932,585,034.33-1,286,985,260.76-509,215,481.83

Finding the Fourth Proportional to 932,585,034.33, 1,286,985,260.76 and 509,215,481.83

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Solution

The fourth proportional to 932,585,034.33, 1,286,985,260.76 and 509,215,481.83 is: 702,727,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,585,034.33 : 1,286,985,260.76 = 509,215,481.83 : x
  2. Step 2: Convert to fraction form
    932,585,034.33/1,286,985,260.76 = 509,215,481.83/x
  3. Step 3: Cross multiply
    932,585,034.33x = 1,286,985,260.76 × 509,215,481.83
  4. Step 4: Simplify right side
    932,585,034.33x = 655,352,819,666,011,520
  5. Step 5: Solve for x
    x = 655,352,819,666,011,520/932,585,034.33
  6. Step 6: Final answer
    x = 702,727,146.10

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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.