Home / 1,567,218,488.76-2,162,696,569.38-852,756,991.92

Finding the Fourth Proportional to 1,567,218,488.76, 2,162,696,569.38 and 852,756,991.92

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Solution

The fourth proportional to 1,567,218,488.76, 2,162,696,569.38 and 852,756,991.92 is: 1,176,769,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,218,488.76 : 2,162,696,569.38 = 852,756,991.92 : x
  2. Step 2: Convert to fraction form
    1,567,218,488.76/2,162,696,569.38 = 852,756,991.92/x
  3. Step 3: Cross multiply
    1,567,218,488.76x = 2,162,696,569.38 × 852,756,991.92
  4. Step 4: Simplify right side
    1,567,218,488.76x = 1,844,254,620,940,192,512
  5. Step 5: Solve for x
    x = 1,844,254,620,940,192,512/1,567,218,488.76
  6. Step 6: Final answer
    x = 1,176,769,310.83

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Double scale
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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.