Home / 879,073,514.90-1,318,610,272.35-265,752,401.30

Finding the Fourth Proportional to 879,073,514.90, 1,318,610,272.35 and 265,752,401.30

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Solution

The fourth proportional to 879,073,514.90, 1,318,610,272.35 and 265,752,401.30 is: 398,628,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,073,514.90 : 1,318,610,272.35 = 265,752,401.30 : x
  2. Step 2: Convert to fraction form
    879,073,514.90/1,318,610,272.35 = 265,752,401.30/x
  3. Step 3: Cross multiply
    879,073,514.90x = 1,318,610,272.35 × 265,752,401.30
  4. Step 4: Simplify right side
    879,073,514.90x = 350,423,846,255,859,456
  5. Step 5: Solve for x
    x = 350,423,846,255,859,456/879,073,514.90
  6. Step 6: Final answer
    x = 398,628,601.95

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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.