Home / 490,303,044.80-676,612,599.60-267,279,805.28

Finding the Fourth Proportional to 490,303,044.80, 676,612,599.60 and 267,279,805.28

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Solution

The fourth proportional to 490,303,044.80, 676,612,599.60 and 267,279,805.28 is: 368,843,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,303,044.80 : 676,612,599.60 = 267,279,805.28 : x
  2. Step 2: Convert to fraction form
    490,303,044.80/676,612,599.60 = 267,279,805.28/x
  3. Step 3: Cross multiply
    490,303,044.80x = 676,612,599.60 × 267,279,805.28
  4. Step 4: Simplify right side
    490,303,044.80x = 180,844,883,871,082,624
  5. Step 5: Solve for x
    x = 180,844,883,871,082,624/490,303,044.80
  6. Step 6: Final answer
    x = 368,843,077.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.