Home / 315,226,701.20-472,840,051.80-272,144,550.80

Finding the Fourth Proportional to 315,226,701.20, 472,840,051.80 and 272,144,550.80

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Solution

The fourth proportional to 315,226,701.20, 472,840,051.80 and 272,144,550.80 is: 408,216,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,226,701.20 : 472,840,051.80 = 272,144,550.80 : x
  2. Step 2: Convert to fraction form
    315,226,701.20/472,840,051.80 = 272,144,550.80/x
  3. Step 3: Cross multiply
    315,226,701.20x = 472,840,051.80 × 272,144,550.80
  4. Step 4: Simplify right side
    315,226,701.20x = 128,680,843,497,359,744
  5. Step 5: Solve for x
    x = 128,680,843,497,359,744/315,226,701.20
  6. Step 6: Final answer
    x = 408,216,826.20

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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.