Home / 509,520,550.08-763,160,555.52-421,079,747.52

Finding the Fourth Proportional to 509,520,550.08, 763,160,555.52 and 421,079,747.52

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Solution

The fourth proportional to 509,520,550.08, 763,160,555.52 and 421,079,747.52 is: 630,693,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,520,550.08 : 763,160,555.52 = 421,079,747.52 : x
  2. Step 2: Convert to fraction form
    509,520,550.08/763,160,555.52 = 421,079,747.52/x
  3. Step 3: Cross multiply
    509,520,550.08x = 763,160,555.52 × 421,079,747.52
  4. Step 4: Simplify right side
    509,520,550.08x = 321,351,454,035,584,512
  5. Step 5: Solve for x
    x = 321,351,454,035,584,512/509,520,550.08
  6. Step 6: Final answer
    x = 630,693,804.18

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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.