Home / 363,312,290.72-502,026,794.82-258,708,758.72

Finding the Fourth Proportional to 363,312,290.72, 502,026,794.82 and 258,708,758.72

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Solution

The fourth proportional to 363,312,290.72, 502,026,794.82 and 258,708,758.72 is: 357,485,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,312,290.72 : 502,026,794.82 = 258,708,758.72 : x
  2. Step 2: Convert to fraction form
    363,312,290.72/502,026,794.82 = 258,708,758.72/x
  3. Step 3: Cross multiply
    363,312,290.72x = 502,026,794.82 × 258,708,758.72
  4. Step 4: Simplify right side
    363,312,290.72x = 129,878,728,932,062,320
  5. Step 5: Solve for x
    x = 129,878,728,932,062,320/363,312,290.72
  6. Step 6: Final answer
    x = 357,485,095.47

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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.