Home / 881,687,777.90-1,321,020,012.45-574,821,934.70

Finding the Fourth Proportional to 881,687,777.90, 1,321,020,012.45 and 574,821,934.70

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Solution

The fourth proportional to 881,687,777.90, 1,321,020,012.45 and 574,821,934.70 is: 861,247,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,687,777.90 : 1,321,020,012.45 = 574,821,934.70 : x
  2. Step 2: Convert to fraction form
    881,687,777.90/1,321,020,012.45 = 574,821,934.70/x
  3. Step 3: Cross multiply
    881,687,777.90x = 1,321,020,012.45 × 574,821,934.70
  4. Step 4: Simplify right side
    881,687,777.90x = 759,351,279,333,927,168
  5. Step 5: Solve for x
    x = 759,351,279,333,927,168/881,687,777.90
  6. Step 6: Final answer
    x = 861,247,369.38

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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.