Home / 319,336,992,030.30-479,005,488,045.45-162,608,663,838.30

Finding the Fourth Proportional to 319,336,992,030.30, 479,005,488,045.45 and 162,608,663,838.30

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Solution

The fourth proportional to 319,336,992,030.30, 479,005,488,045.45 and 162,608,663,838.30 is: 243,912,995,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,336,992,030.30 : 479,005,488,045.45 = 162,608,663,838.30 : x
  2. Step 2: Convert to fraction form
    319,336,992,030.30/479,005,488,045.45 = 162,608,663,838.30/x
  3. Step 3: Cross multiply
    319,336,992,030.30x = 479,005,488,045.45 × 162,608,663,838.30
  4. Step 4: Simplify right side
    319,336,992,030.30x = 77,890,442,382,283,403,952,128
  5. Step 5: Solve for x
    x = 77,890,442,382,283,403,952,128/319,336,992,030.30
  6. Step 6: Final answer
    x = 243,912,995,757.45

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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.