Home / 449,306,631.55-620,031,253.23-251,069,755.26

Finding the Fourth Proportional to 449,306,631.55, 620,031,253.23 and 251,069,755.26

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Solution

The fourth proportional to 449,306,631.55, 620,031,253.23 and 251,069,755.26 is: 346,469,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,306,631.55 : 620,031,253.23 = 251,069,755.26 : x
  2. Step 2: Convert to fraction form
    449,306,631.55/620,031,253.23 = 251,069,755.26/x
  3. Step 3: Cross multiply
    449,306,631.55x = 620,031,253.23 × 251,069,755.26
  4. Step 4: Simplify right side
    449,306,631.55x = 155,671,095,000,847,744
  5. Step 5: Solve for x
    x = 155,671,095,000,847,744/449,306,631.55
  6. Step 6: Final answer
    x = 346,469,613.55

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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.