Home / 927,894,894.04-1,280,485,951.39-504,508,549.49

Finding the Fourth Proportional to 927,894,894.04, 1,280,485,951.39 and 504,508,549.49

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Solution

The fourth proportional to 927,894,894.04, 1,280,485,951.39 and 504,508,549.49 is: 696,216,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,894,894.04 : 1,280,485,951.39 = 504,508,549.49 : x
  2. Step 2: Convert to fraction form
    927,894,894.04/1,280,485,951.39 = 504,508,549.49/x
  3. Step 3: Cross multiply
    927,894,894.04x = 1,280,485,951.39 × 504,508,549.49
  4. Step 4: Simplify right side
    927,894,894.04x = 646,016,109,981,898,240
  5. Step 5: Solve for x
    x = 646,016,109,981,898,240/927,894,894.04
  6. Step 6: Final answer
    x = 696,216,903.58

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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.