Home / 1,386,186,162.35-2,079,261,081.53-336,921,318.07

Finding the Fourth Proportional to 1,386,186,162.35, 2,079,261,081.53 and 336,921,318.07

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Solution

The fourth proportional to 1,386,186,162.35, 2,079,261,081.53 and 336,921,318.07 is: 505,377,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,186,162.35 : 2,079,261,081.53 = 336,921,318.07 : x
  2. Step 2: Convert to fraction form
    1,386,186,162.35/2,079,261,081.53 = 336,921,318.07/x
  3. Step 3: Cross multiply
    1,386,186,162.35x = 2,079,261,081.53 × 336,921,318.07
  4. Step 4: Simplify right side
    1,386,186,162.35x = 700,547,384,204,182,784
  5. Step 5: Solve for x
    x = 700,547,384,204,182,784/1,386,186,162.35
  6. Step 6: Final answer
    x = 505,377,562.72

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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.