Home / 298,945,101.60-448,417,652.40-272,160,475.20

Finding the Fourth Proportional to 298,945,101.60, 448,417,652.40 and 272,160,475.20

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Solution

The fourth proportional to 298,945,101.60, 448,417,652.40 and 272,160,475.20 is: 408,240,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,945,101.60 : 448,417,652.40 = 272,160,475.20 : x
  2. Step 2: Convert to fraction form
    298,945,101.60/448,417,652.40 = 272,160,475.20/x
  3. Step 3: Cross multiply
    298,945,101.60x = 448,417,652.40 × 272,160,475.20
  4. Step 4: Simplify right side
    298,945,101.60x = 122,041,561,365,252,416
  5. Step 5: Solve for x
    x = 122,041,561,365,252,416/298,945,101.60
  6. Step 6: Final answer
    x = 408,240,712.80

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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.