Home / 1,332,236,278.32-1,838,413,228.30-729,290,260.81

Finding the Fourth Proportional to 1,332,236,278.32, 1,838,413,228.30 and 729,290,260.81

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Solution

The fourth proportional to 1,332,236,278.32, 1,838,413,228.30 and 729,290,260.81 is: 1,006,380,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,236,278.32 : 1,838,413,228.30 = 729,290,260.81 : x
  2. Step 2: Convert to fraction form
    1,332,236,278.32/1,838,413,228.30 = 729,290,260.81/x
  3. Step 3: Cross multiply
    1,332,236,278.32x = 1,838,413,228.30 × 729,290,260.81
  4. Step 4: Simplify right side
    1,332,236,278.32x = 1,340,736,862,743,460,864
  5. Step 5: Solve for x
    x = 1,340,736,862,743,460,864/1,332,236,278.32
  6. Step 6: Final answer
    x = 1,006,380,688.29

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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.