Home / 728,273,206.20-1,092,409,809.30-417,061,356.60

Finding the Fourth Proportional to 728,273,206.20, 1,092,409,809.30 and 417,061,356.60

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Solution

The fourth proportional to 728,273,206.20, 1,092,409,809.30 and 417,061,356.60 is: 625,592,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,273,206.20 : 1,092,409,809.30 = 417,061,356.60 : x
  2. Step 2: Convert to fraction form
    728,273,206.20/1,092,409,809.30 = 417,061,356.60/x
  3. Step 3: Cross multiply
    728,273,206.20x = 1,092,409,809.30 × 417,061,356.60
  4. Step 4: Simplify right side
    728,273,206.20x = 455,601,917,029,805,312
  5. Step 5: Solve for x
    x = 455,601,917,029,805,312/728,273,206.20
  6. Step 6: Final answer
    x = 625,592,034.90

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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.