Home / 649,892,618.60-975,304,369.49-276,662,177.78

Finding the Fourth Proportional to 649,892,618.60, 975,304,369.49 and 276,662,177.78

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Solution

The fourth proportional to 649,892,618.60, 975,304,369.49 and 276,662,177.78 is: 415,191,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,892,618.60 : 975,304,369.49 = 276,662,177.78 : x
  2. Step 2: Convert to fraction form
    649,892,618.60/975,304,369.49 = 276,662,177.78/x
  3. Step 3: Cross multiply
    649,892,618.60x = 975,304,369.49 × 276,662,177.78
  4. Step 4: Simplify right side
    649,892,618.60x = 269,829,830,855,193,344
  5. Step 5: Solve for x
    x = 269,829,830,855,193,344/649,892,618.60
  6. Step 6: Final answer
    x = 415,191,407.22

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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.