Home / 286,272,001.80-429,408,002.70-266,998,408.20

Finding the Fourth Proportional to 286,272,001.80, 429,408,002.70 and 266,998,408.20

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Solution

The fourth proportional to 286,272,001.80, 429,408,002.70 and 266,998,408.20 is: 400,497,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,272,001.80 : 429,408,002.70 = 266,998,408.20 : x
  2. Step 2: Convert to fraction form
    286,272,001.80/429,408,002.70 = 266,998,408.20/x
  3. Step 3: Cross multiply
    286,272,001.80x = 429,408,002.70 × 266,998,408.20
  4. Step 4: Simplify right side
    286,272,001.80x = 114,651,253,189,241,296
  5. Step 5: Solve for x
    x = 114,651,253,189,241,296/286,272,001.80
  6. Step 6: Final answer
    x = 400,497,612.30

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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.