Home / 879,073,364.40-1,318,610,046.60-265,752,250.80

Finding the Fourth Proportional to 879,073,364.40, 1,318,610,046.60 and 265,752,250.80

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Solution

The fourth proportional to 879,073,364.40, 1,318,610,046.60 and 265,752,250.80 is: 398,628,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,073,364.40 : 1,318,610,046.60 = 265,752,250.80 : x
  2. Step 2: Convert to fraction form
    879,073,364.40/1,318,610,046.60 = 265,752,250.80/x
  3. Step 3: Cross multiply
    879,073,364.40x = 1,318,610,046.60 × 265,752,250.80
  4. Step 4: Simplify right side
    879,073,364.40x = 350,423,587,811,442,880
  5. Step 5: Solve for x
    x = 350,423,587,811,442,880/879,073,364.40
  6. Step 6: Final answer
    x = 398,628,376.20

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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.