Home / 542,193,885,981.80-812,397,198,288.60-314,915,335,940.94

Finding the Fourth Proportional to 542,193,885,981.80, 812,397,198,288.60 and 314,915,335,940.94

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Solution

The fourth proportional to 542,193,885,981.80, 812,397,198,288.60 and 314,915,335,940.94 is: 471,853,968,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,193,885,981.80 : 812,397,198,288.60 = 314,915,335,940.94 : x
  2. Step 2: Convert to fraction form
    542,193,885,981.80/812,397,198,288.60 = 314,915,335,940.94/x
  3. Step 3: Cross multiply
    542,193,885,981.80x = 812,397,198,288.60 × 314,915,335,940.94
  4. Step 4: Simplify right side
    542,193,885,981.80x = 255,836,336,616,532,917,354,496
  5. Step 5: Solve for x
    x = 255,836,336,616,532,917,354,496/542,193,885,981.80
  6. Step 6: Final answer
    x = 471,853,968,167.25

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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.