Home / 1,236,750,920.32-1,707,538,111.52-950,131,966.18

Finding the Fourth Proportional to 1,236,750,920.32, 1,707,538,111.52 and 950,131,966.18

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Solution

The fourth proportional to 1,236,750,920.32, 1,707,538,111.52 and 950,131,966.18 is: 1,311,813,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,750,920.32 : 1,707,538,111.52 = 950,131,966.18 : x
  2. Step 2: Convert to fraction form
    1,236,750,920.32/1,707,538,111.52 = 950,131,966.18/x
  3. Step 3: Cross multiply
    1,236,750,920.32x = 1,707,538,111.52 × 950,131,966.18
  4. Step 4: Simplify right side
    1,236,750,920.32x = 1,622,386,543,225,781,504
  5. Step 5: Solve for x
    x = 1,622,386,543,225,781,504/1,236,750,920.32
  6. Step 6: Final answer
    x = 1,311,813,491.76

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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.