Home / 335,960,998.80-503,941,498.20-278,565,370.80

Finding the Fourth Proportional to 335,960,998.80, 503,941,498.20 and 278,565,370.80

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Solution

The fourth proportional to 335,960,998.80, 503,941,498.20 and 278,565,370.80 is: 417,848,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,960,998.80 : 503,941,498.20 = 278,565,370.80 : x
  2. Step 2: Convert to fraction form
    335,960,998.80/503,941,498.20 = 278,565,370.80/x
  3. Step 3: Cross multiply
    335,960,998.80x = 503,941,498.20 × 278,565,370.80
  4. Step 4: Simplify right side
    335,960,998.80x = 140,380,650,307,590,528
  5. Step 5: Solve for x
    x = 140,380,650,307,590,528/335,960,998.80
  6. Step 6: Final answer
    x = 417,848,056.20

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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.