Home / 625,590,672.30-938,386,008.45-165,575,342.70

Finding the Fourth Proportional to 625,590,672.30, 938,386,008.45 and 165,575,342.70

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Solution

The fourth proportional to 625,590,672.30, 938,386,008.45 and 165,575,342.70 is: 248,363,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,590,672.30 : 938,386,008.45 = 165,575,342.70 : x
  2. Step 2: Convert to fraction form
    625,590,672.30/938,386,008.45 = 165,575,342.70/x
  3. Step 3: Cross multiply
    625,590,672.30x = 938,386,008.45 × 165,575,342.70
  4. Step 4: Simplify right side
    625,590,672.30x = 155,373,584,933,993,856
  5. Step 5: Solve for x
    x = 155,373,584,933,993,856/625,590,672.30
  6. Step 6: Final answer
    x = 248,363,014.05

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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.