Home / 265,572,908.70-398,359,363.05-220,223,276.70

Finding the Fourth Proportional to 265,572,908.70, 398,359,363.05 and 220,223,276.70

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Solution

The fourth proportional to 265,572,908.70, 398,359,363.05 and 220,223,276.70 is: 330,334,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,572,908.70 : 398,359,363.05 = 220,223,276.70 : x
  2. Step 2: Convert to fraction form
    265,572,908.70/398,359,363.05 = 220,223,276.70/x
  3. Step 3: Cross multiply
    265,572,908.70x = 398,359,363.05 × 220,223,276.70
  4. Step 4: Simplify right side
    265,572,908.70x = 87,728,004,234,995,904
  5. Step 5: Solve for x
    x = 87,728,004,234,995,904/265,572,908.70
  6. Step 6: Final answer
    x = 330,334,915.05

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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.