Home / 631,195,498.40-946,121,401.20-242,868,279.20

Finding the Fourth Proportional to 631,195,498.40, 946,121,401.20 and 242,868,279.20

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Solution

The fourth proportional to 631,195,498.40, 946,121,401.20 and 242,868,279.20 is: 364,043,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,195,498.40 : 946,121,401.20 = 242,868,279.20 : x
  2. Step 2: Convert to fraction form
    631,195,498.40/946,121,401.20 = 242,868,279.20/x
  3. Step 3: Cross multiply
    631,195,498.40x = 946,121,401.20 × 242,868,279.20
  4. Step 4: Simplify right side
    631,195,498.40x = 229,782,876,623,736,800
  5. Step 5: Solve for x
    x = 229,782,876,623,736,800/631,195,498.40
  6. Step 6: Final answer
    x = 364,043,909.07

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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.