Home / 363,312,699.94-502,027,360.14-258,709,168.72

Finding the Fourth Proportional to 363,312,699.94, 502,027,360.14 and 258,709,168.72

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Solution

The fourth proportional to 363,312,699.94, 502,027,360.14 and 258,709,168.72 is: 357,485,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,312,699.94 : 502,027,360.14 = 258,709,168.72 : x
  2. Step 2: Convert to fraction form
    363,312,699.94/502,027,360.14 = 258,709,168.72/x
  3. Step 3: Cross multiply
    363,312,699.94x = 502,027,360.14 × 258,709,168.72
  4. Step 4: Simplify right side
    363,312,699.94x = 129,879,081,016,515,456
  5. Step 5: Solve for x
    x = 129,879,081,016,515,456/363,312,699.94
  6. Step 6: Final answer
    x = 357,485,661.90

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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.