Home / 797,160,159.40-1,195,929,195.90-409,042,892.20

Finding the Fourth Proportional to 797,160,159.40, 1,195,929,195.90 and 409,042,892.20

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Solution

The fourth proportional to 797,160,159.40, 1,195,929,195.90 and 409,042,892.20 is: 613,661,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,160,159.40 : 1,195,929,195.90 = 409,042,892.20 : x
  2. Step 2: Convert to fraction form
    797,160,159.40/1,195,929,195.90 = 409,042,892.20/x
  3. Step 3: Cross multiply
    797,160,159.40x = 1,195,929,195.90 × 409,042,892.20
  4. Step 4: Simplify right side
    797,160,159.40x = 489,186,337,157,356,416
  5. Step 5: Solve for x
    x = 489,186,337,157,356,416/797,160,159.40
  6. Step 6: Final answer
    x = 613,661,296.78

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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.