Home / 1,386,185,954.70-2,079,260,769.81-336,921,110.40

Finding the Fourth Proportional to 1,386,185,954.70, 2,079,260,769.81 and 336,921,110.40

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Solution

The fourth proportional to 1,386,185,954.70, 2,079,260,769.81 and 336,921,110.40 is: 505,377,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,185,954.70 : 2,079,260,769.81 = 336,921,110.40 : x
  2. Step 2: Convert to fraction form
    1,386,185,954.70/2,079,260,769.81 = 336,921,110.40/x
  3. Step 3: Cross multiply
    1,386,185,954.70x = 2,079,260,769.81 × 336,921,110.40
  4. Step 4: Simplify right side
    1,386,185,954.70x = 700,546,847,375,543,936
  5. Step 5: Solve for x
    x = 700,546,847,375,543,936/1,386,185,954.70
  6. Step 6: Final answer
    x = 505,377,251.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.