Home / 623,536,008.40-935,511,728.76-209,053,843.60

Finding the Fourth Proportional to 623,536,008.40, 935,511,728.76 and 209,053,843.60

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Solution

The fourth proportional to 623,536,008.40, 935,511,728.76 and 209,053,843.60 is: 313,650,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,536,008.40 : 935,511,728.76 = 209,053,843.60 : x
  2. Step 2: Convert to fraction form
    623,536,008.40/935,511,728.76 = 209,053,843.60/x
  3. Step 3: Cross multiply
    623,536,008.40x = 935,511,728.76 × 209,053,843.60
  4. Step 4: Simplify right side
    623,536,008.40x = 195,572,322,630,158,656
  5. Step 5: Solve for x
    x = 195,572,322,630,158,656/623,536,008.40
  6. Step 6: Final answer
    x = 313,650,406.71

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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.