Home / 435,480,743.70-653,221,115.55-251,814,734.10

Finding the Fourth Proportional to 435,480,743.70, 653,221,115.55 and 251,814,734.10

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Solution

The fourth proportional to 435,480,743.70, 653,221,115.55 and 251,814,734.10 is: 377,722,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,480,743.70 : 653,221,115.55 = 251,814,734.10 : x
  2. Step 2: Convert to fraction form
    435,480,743.70/653,221,115.55 = 251,814,734.10/x
  3. Step 3: Cross multiply
    435,480,743.70x = 653,221,115.55 × 251,814,734.10
  4. Step 4: Simplify right side
    435,480,743.70x = 164,490,701,520,728,608
  5. Step 5: Solve for x
    x = 164,490,701,520,728,608/435,480,743.70
  6. Step 6: Final answer
    x = 377,722,101.15

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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.