Home / 286,291,233.40-429,562,821.30-132,858,311.80

Finding the Fourth Proportional to 286,291,233.40, 429,562,821.30 and 132,858,311.80

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Solution

The fourth proportional to 286,291,233.40, 429,562,821.30 and 132,858,311.80 is: 199,345,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,291,233.40 : 429,562,821.30 = 132,858,311.80 : x
  2. Step 2: Convert to fraction form
    286,291,233.40/429,562,821.30 = 132,858,311.80/x
  3. Step 3: Cross multiply
    286,291,233.40x = 429,562,821.30 × 132,858,311.80
  4. Step 4: Simplify right side
    286,291,233.40x = 57,070,991,249,963,080
  5. Step 5: Solve for x
    x = 57,070,991,249,963,080/286,291,233.40
  6. Step 6: Final answer
    x = 199,345,926.78

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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.