Home / 456,194,490.90-682,948,043.55-429,619,233.30

Finding the Fourth Proportional to 456,194,490.90, 682,948,043.55 and 429,619,233.30

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Solution

The fourth proportional to 456,194,490.90, 682,948,043.55 and 429,619,233.30 is: 643,163,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,194,490.90 : 682,948,043.55 = 429,619,233.30 : x
  2. Step 2: Convert to fraction form
    456,194,490.90/682,948,043.55 = 429,619,233.30/x
  3. Step 3: Cross multiply
    456,194,490.90x = 682,948,043.55 × 429,619,233.30
  4. Step 4: Simplify right side
    456,194,490.90x = 293,407,614,853,686,016
  5. Step 5: Solve for x
    x = 293,407,614,853,686,016/456,194,490.90
  6. Step 6: Final answer
    x = 643,163,432.94

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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.