Home / 310,008,623.20-465,012,934.80-187,564,616.80

Finding the Fourth Proportional to 310,008,623.20, 465,012,934.80 and 187,564,616.80

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Solution

The fourth proportional to 310,008,623.20, 465,012,934.80 and 187,564,616.80 is: 281,346,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,008,623.20 : 465,012,934.80 = 187,564,616.80 : x
  2. Step 2: Convert to fraction form
    310,008,623.20/465,012,934.80 = 187,564,616.80/x
  3. Step 3: Cross multiply
    310,008,623.20x = 465,012,934.80 × 187,564,616.80
  4. Step 4: Simplify right side
    310,008,623.20x = 87,219,972,922,805,392
  5. Step 5: Solve for x
    x = 87,219,972,922,805,392/310,008,623.20
  6. Step 6: Final answer
    x = 281,346,925.20

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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.