Home / 302,207,708.70-453,311,563.05-278,021,238.30

Finding the Fourth Proportional to 302,207,708.70, 453,311,563.05 and 278,021,238.30

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Solution

The fourth proportional to 302,207,708.70, 453,311,563.05 and 278,021,238.30 is: 417,031,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,207,708.70 : 453,311,563.05 = 278,021,238.30 : x
  2. Step 2: Convert to fraction form
    302,207,708.70/453,311,563.05 = 278,021,238.30/x
  3. Step 3: Cross multiply
    302,207,708.70x = 453,311,563.05 × 278,021,238.30
  4. Step 4: Simplify right side
    302,207,708.70x = 126,030,242,094,869,536
  5. Step 5: Solve for x
    x = 126,030,242,094,869,536/302,207,708.70
  6. Step 6: Final answer
    x = 417,031,857.45

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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.