Home / 927,894,894.20-1,280,485,951.61-504,508,549.65

Finding the Fourth Proportional to 927,894,894.20, 1,280,485,951.61 and 504,508,549.65

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Solution

The fourth proportional to 927,894,894.20, 1,280,485,951.61 and 504,508,549.65 is: 696,216,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,894,894.20 : 1,280,485,951.61 = 504,508,549.65 : x
  2. Step 2: Convert to fraction form
    927,894,894.20/1,280,485,951.61 = 504,508,549.65/x
  3. Step 3: Cross multiply
    927,894,894.20x = 1,280,485,951.61 × 504,508,549.65
  4. Step 4: Simplify right side
    927,894,894.20x = 646,016,110,292,053,248
  5. Step 5: Solve for x
    x = 646,016,110,292,053,248/927,894,894.20
  6. Step 6: Final answer
    x = 696,216,903.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.