Home / 898,149,674.80-1,347,224,512.20-414,420,266.80

Finding the Fourth Proportional to 898,149,674.80, 1,347,224,512.20 and 414,420,266.80

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Solution

The fourth proportional to 898,149,674.80, 1,347,224,512.20 and 414,420,266.80 is: 621,630,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,149,674.80 : 1,347,224,512.20 = 414,420,266.80 : x
  2. Step 2: Convert to fraction form
    898,149,674.80/1,347,224,512.20 = 414,420,266.80/x
  3. Step 3: Cross multiply
    898,149,674.80x = 1,347,224,512.20 × 414,420,266.80
  4. Step 4: Simplify right side
    898,149,674.80x = 558,317,141,785,423,872
  5. Step 5: Solve for x
    x = 558,317,141,785,423,872/898,149,674.80
  6. Step 6: Final answer
    x = 621,630,400.20

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1.5x scale

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.