Home / 704,728,205.20-1,057,092,307.80-187,238,515.60

Finding the Fourth Proportional to 704,728,205.20, 1,057,092,307.80 and 187,238,515.60

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Solution

The fourth proportional to 704,728,205.20, 1,057,092,307.80 and 187,238,515.60 is: 280,857,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,728,205.20 : 1,057,092,307.80 = 187,238,515.60 : x
  2. Step 2: Convert to fraction form
    704,728,205.20/1,057,092,307.80 = 187,238,515.60/x
  3. Step 3: Cross multiply
    704,728,205.20x = 1,057,092,307.80 × 187,238,515.60
  4. Step 4: Simplify right side
    704,728,205.20x = 197,928,394,564,650,272
  5. Step 5: Solve for x
    x = 197,928,394,564,650,272/704,728,205.20
  6. Step 6: Final answer
    x = 280,857,773.40

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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.