Home / 472,393,079.90-708,589,619.85-165,645,334.70

Finding the Fourth Proportional to 472,393,079.90, 708,589,619.85 and 165,645,334.70

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Solution

The fourth proportional to 472,393,079.90, 708,589,619.85 and 165,645,334.70 is: 248,468,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,079.90 : 708,589,619.85 = 165,645,334.70 : x
  2. Step 2: Convert to fraction form
    472,393,079.90/708,589,619.85 = 165,645,334.70/x
  3. Step 3: Cross multiply
    472,393,079.90x = 708,589,619.85 × 165,645,334.70
  4. Step 4: Simplify right side
    472,393,079.90x = 117,374,564,744,999,008
  5. Step 5: Solve for x
    x = 117,374,564,744,999,008/472,393,079.90
  6. Step 6: Final answer
    x = 248,468,002.05

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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.