Home / 478,311,995.43-717,468,002.37-114,806,351.43

Finding the Fourth Proportional to 478,311,995.43, 717,468,002.37 and 114,806,351.43

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Solution

The fourth proportional to 478,311,995.43, 717,468,002.37 and 114,806,351.43 is: 172,209,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,311,995.43 : 717,468,002.37 = 114,806,351.43 : x
  2. Step 2: Convert to fraction form
    478,311,995.43/717,468,002.37 = 114,806,351.43/x
  3. Step 3: Cross multiply
    478,311,995.43x = 717,468,002.37 × 114,806,351.43
  4. Step 4: Simplify right side
    478,311,995.43x = 82,369,883,616,281,184
  5. Step 5: Solve for x
    x = 82,369,883,616,281,184/478,311,995.43
  6. Step 6: Final answer
    x = 172,209,529.35

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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.