Home / 295,013,649.60-442,520,474.40-265,788,331.20

Finding the Fourth Proportional to 295,013,649.60, 442,520,474.40 and 265,788,331.20

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Solution

The fourth proportional to 295,013,649.60, 442,520,474.40 and 265,788,331.20 is: 398,682,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,013,649.60 : 442,520,474.40 = 265,788,331.20 : x
  2. Step 2: Convert to fraction form
    295,013,649.60/442,520,474.40 = 265,788,331.20/x
  3. Step 3: Cross multiply
    295,013,649.60x = 442,520,474.40 × 265,788,331.20
  4. Step 4: Simplify right side
    295,013,649.60x = 117,616,778,412,608,304
  5. Step 5: Solve for x
    x = 117,616,778,412,608,304/295,013,649.60
  6. Step 6: Final answer
    x = 398,682,496.80

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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.