Home / 704,296,627.20-1,056,633,897.60-628,147,036.80

Finding the Fourth Proportional to 704,296,627.20, 1,056,633,897.60 and 628,147,036.80

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Solution

The fourth proportional to 704,296,627.20, 1,056,633,897.60 and 628,147,036.80 is: 942,389,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,296,627.20 : 1,056,633,897.60 = 628,147,036.80 : x
  2. Step 2: Convert to fraction form
    704,296,627.20/1,056,633,897.60 = 628,147,036.80/x
  3. Step 3: Cross multiply
    704,296,627.20x = 1,056,633,897.60 × 628,147,036.80
  4. Step 4: Simplify right side
    704,296,627.20x = 663,721,451,759,874,560
  5. Step 5: Solve for x
    x = 663,721,451,759,874,560/704,296,627.20
  6. Step 6: Final answer
    x = 942,389,081.71

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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.