Home / 396,330,986.10-594,496,479.15-286,924,998.90

Finding the Fourth Proportional to 396,330,986.10, 594,496,479.15 and 286,924,998.90

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Solution

The fourth proportional to 396,330,986.10, 594,496,479.15 and 286,924,998.90 is: 430,387,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,330,986.10 : 594,496,479.15 = 286,924,998.90 : x
  2. Step 2: Convert to fraction form
    396,330,986.10/594,496,479.15 = 286,924,998.90/x
  3. Step 3: Cross multiply
    396,330,986.10x = 594,496,479.15 × 286,924,998.90
  4. Step 4: Simplify right side
    396,330,986.10x = 170,575,901,626,167,616
  5. Step 5: Solve for x
    x = 170,575,901,626,167,616/396,330,986.10
  6. Step 6: Final answer
    x = 430,387,498.35

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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.