Home / 623,536,007.40-935,511,727.26-209,053,842.60

Finding the Fourth Proportional to 623,536,007.40, 935,511,727.26 and 209,053,842.60

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Solution

The fourth proportional to 623,536,007.40, 935,511,727.26 and 209,053,842.60 is: 313,650,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,536,007.40 : 935,511,727.26 = 209,053,842.60 : x
  2. Step 2: Convert to fraction form
    623,536,007.40/935,511,727.26 = 209,053,842.60/x
  3. Step 3: Cross multiply
    623,536,007.40x = 935,511,727.26 × 209,053,842.60
  4. Step 4: Simplify right side
    623,536,007.40x = 195,572,321,381,066,176
  5. Step 5: Solve for x
    x = 195,572,321,381,066,176/623,536,007.40
  6. Step 6: Final answer
    x = 313,650,405.21

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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.