Home / 879,073,486.40-1,318,610,229.60-265,752,372.80

Finding the Fourth Proportional to 879,073,486.40, 1,318,610,229.60 and 265,752,372.80

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Solution

The fourth proportional to 879,073,486.40, 1,318,610,229.60 and 265,752,372.80 is: 398,628,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,073,486.40 : 1,318,610,229.60 = 265,752,372.80 : x
  2. Step 2: Convert to fraction form
    879,073,486.40/1,318,610,229.60 = 265,752,372.80/x
  3. Step 3: Cross multiply
    879,073,486.40x = 1,318,610,229.60 × 265,752,372.80
  4. Step 4: Simplify right side
    879,073,486.40x = 350,423,797,314,552,768
  5. Step 5: Solve for x
    x = 350,423,797,314,552,768/879,073,486.40
  6. Step 6: Final answer
    x = 398,628,559.20

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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.