Home / 472,393,614.80-708,590,422.20-165,716,728.40

Finding the Fourth Proportional to 472,393,614.80, 708,590,422.20 and 165,716,728.40

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Solution

The fourth proportional to 472,393,614.80, 708,590,422.20 and 165,716,728.40 is: 248,575,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,614.80 : 708,590,422.20 = 165,716,728.40 : x
  2. Step 2: Convert to fraction form
    472,393,614.80/708,590,422.20 = 165,716,728.40/x
  3. Step 3: Cross multiply
    472,393,614.80x = 708,590,422.20 × 165,716,728.40
  4. Step 4: Simplify right side
    472,393,614.80x = 117,425,286,542,558,736
  5. Step 5: Solve for x
    x = 117,425,286,542,558,736/472,393,614.80
  6. Step 6: Final answer
    x = 248,575,092.60

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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.