Home / 302,034,688.20-453,392,621.10-199,998,016.20

Finding the Fourth Proportional to 302,034,688.20, 453,392,621.10 and 199,998,016.20

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Solution

The fourth proportional to 302,034,688.20, 453,392,621.10 and 199,998,016.20 is: 300,222,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,034,688.20 : 453,392,621.10 = 199,998,016.20 : x
  2. Step 2: Convert to fraction form
    302,034,688.20/453,392,621.10 = 199,998,016.20/x
  3. Step 3: Cross multiply
    302,034,688.20x = 453,392,621.10 × 199,998,016.20
  4. Step 4: Simplify right side
    302,034,688.20x = 90,677,624,779,718,256
  5. Step 5: Solve for x
    x = 90,677,624,779,718,256/302,034,688.20
  6. Step 6: Final answer
    x = 300,222,551.65

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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.