Home / 390,522,901,882.71-585,859,790,244.25-148,481,192,741.79

Finding the Fourth Proportional to 390,522,901,882.71, 585,859,790,244.25 and 148,481,192,741.79

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Solution

The fourth proportional to 390,522,901,882.71, 585,859,790,244.25 and 148,481,192,741.79 is: 222,750,471,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,522,901,882.71 : 585,859,790,244.25 = 148,481,192,741.79 : x
  2. Step 2: Convert to fraction form
    390,522,901,882.71/585,859,790,244.25 = 148,481,192,741.79/x
  3. Step 3: Cross multiply
    390,522,901,882.71x = 585,859,790,244.25 × 148,481,192,741.79
  4. Step 4: Simplify right side
    390,522,901,882.71x = 86,989,160,434,921,153,495,040
  5. Step 5: Solve for x
    x = 86,989,160,434,921,153,495,040/390,522,901,882.71
  6. Step 6: Final answer
    x = 222,750,471,266.98

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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.