Home / 319,936,932.91-441,490,666.81-180,680,790.47

Finding the Fourth Proportional to 319,936,932.91, 441,490,666.81 and 180,680,790.47

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Solution

The fourth proportional to 319,936,932.91, 441,490,666.81 and 180,680,790.47 is: 249,326,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,936,932.91 : 441,490,666.81 = 180,680,790.47 : x
  2. Step 2: Convert to fraction form
    319,936,932.91/441,490,666.81 = 180,680,790.47/x
  3. Step 3: Cross multiply
    319,936,932.91x = 441,490,666.81 × 180,680,790.47
  4. Step 4: Simplify right side
    319,936,932.91x = 79,768,882,663,454,784
  5. Step 5: Solve for x
    x = 79,768,882,663,454,784/319,936,932.91
  6. Step 6: Final answer
    x = 249,326,896.83

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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.