Home / 669,659,227.20-1,003,946,775.84-209,360,462.40

Finding the Fourth Proportional to 669,659,227.20, 1,003,946,775.84 and 209,360,462.40

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Solution

The fourth proportional to 669,659,227.20, 1,003,946,775.84 and 209,360,462.40 is: 313,871,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,659,227.20 : 1,003,946,775.84 = 209,360,462.40 : x
  2. Step 2: Convert to fraction form
    669,659,227.20/1,003,946,775.84 = 209,360,462.40/x
  3. Step 3: Cross multiply
    669,659,227.20x = 1,003,946,775.84 × 209,360,462.40
  4. Step 4: Simplify right side
    669,659,227.20x = 210,186,761,214,851,552
  5. Step 5: Solve for x
    x = 210,186,761,214,851,552/669,659,227.20
  6. Step 6: Final answer
    x = 313,871,223.87

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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.