Home / 472,393,067.10-708,589,600.65-437,955,690.30

Finding the Fourth Proportional to 472,393,067.10, 708,589,600.65 and 437,955,690.30

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Solution

The fourth proportional to 472,393,067.10, 708,589,600.65 and 437,955,690.30 is: 656,933,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,067.10 : 708,589,600.65 = 437,955,690.30 : x
  2. Step 2: Convert to fraction form
    472,393,067.10/708,589,600.65 = 437,955,690.30/x
  3. Step 3: Cross multiply
    472,393,067.10x = 708,589,600.65 × 437,955,690.30
  4. Step 4: Simplify right side
    472,393,067.10x = 310,330,847,692,072,064
  5. Step 5: Solve for x
    x = 310,330,847,692,072,064/472,393,067.10
  6. Step 6: Final answer
    x = 656,933,535.45

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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.