Home / 580,842,579.40-871,263,869.10-449,328,646.60

Finding the Fourth Proportional to 580,842,579.40, 871,263,869.10 and 449,328,646.60

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Solution

The fourth proportional to 580,842,579.40, 871,263,869.10 and 449,328,646.60 is: 673,992,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,842,579.40 : 871,263,869.10 = 449,328,646.60 : x
  2. Step 2: Convert to fraction form
    580,842,579.40/871,263,869.10 = 449,328,646.60/x
  3. Step 3: Cross multiply
    580,842,579.40x = 871,263,869.10 × 449,328,646.60
  4. Step 4: Simplify right side
    580,842,579.40x = 391,483,815,134,182,592
  5. Step 5: Solve for x
    x = 391,483,815,134,182,592/580,842,579.40
  6. Step 6: Final answer
    x = 673,992,969.90

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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.