Home / 881,687,809.40-1,321,020,059.70-574,821,966.20

Finding the Fourth Proportional to 881,687,809.40, 1,321,020,059.70 and 574,821,966.20

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Solution

The fourth proportional to 881,687,809.40, 1,321,020,059.70 and 574,821,966.20 is: 861,247,416.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,687,809.40 : 1,321,020,059.70 = 574,821,966.20 : x
  2. Step 2: Convert to fraction form
    881,687,809.40/1,321,020,059.70 = 574,821,966.20/x
  3. Step 3: Cross multiply
    881,687,809.40x = 1,321,020,059.70 × 574,821,966.20
  4. Step 4: Simplify right side
    881,687,809.40x = 759,351,348,106,395,520
  5. Step 5: Solve for x
    x = 759,351,348,106,395,520/881,687,809.40
  6. Step 6: Final answer
    x = 861,247,416.61

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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.