Home / 695,914,281.80-1,043,181,909.14-326,788,462.42

Finding the Fourth Proportional to 695,914,281.80, 1,043,181,909.14 and 326,788,462.42

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Solution

The fourth proportional to 695,914,281.80, 1,043,181,909.14 and 326,788,462.42 is: 489,858,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,914,281.80 : 1,043,181,909.14 = 326,788,462.42 : x
  2. Step 2: Convert to fraction form
    695,914,281.80/1,043,181,909.14 = 326,788,462.42/x
  3. Step 3: Cross multiply
    695,914,281.80x = 1,043,181,909.14 × 326,788,462.42
  4. Step 4: Simplify right side
    695,914,281.80x = 340,899,812,107,978,880
  5. Step 5: Solve for x
    x = 340,899,812,107,978,880/695,914,281.80
  6. Step 6: Final answer
    x = 489,858,910.82

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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.