Home / 758,486,122.20-1,137,267,288.90-297,872,429.40

Finding the Fourth Proportional to 758,486,122.20, 1,137,267,288.90 and 297,872,429.40

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Solution

The fourth proportional to 758,486,122.20, 1,137,267,288.90 and 297,872,429.40 is: 446,627,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,486,122.20 : 1,137,267,288.90 = 297,872,429.40 : x
  2. Step 2: Convert to fraction form
    758,486,122.20/1,137,267,288.90 = 297,872,429.40/x
  3. Step 3: Cross multiply
    758,486,122.20x = 1,137,267,288.90 × 297,872,429.40
  4. Step 4: Simplify right side
    758,486,122.20x = 338,760,570,221,794,624
  5. Step 5: Solve for x
    x = 338,760,570,221,794,624/758,486,122.20
  6. Step 6: Final answer
    x = 446,627,249.08

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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.