Home / 808,765,145.40-1,213,147,718.10-441,433,126.20

Finding the Fourth Proportional to 808,765,145.40, 1,213,147,718.10 and 441,433,126.20

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Solution

The fourth proportional to 808,765,145.40, 1,213,147,718.10 and 441,433,126.20 is: 662,149,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,765,145.40 : 1,213,147,718.10 = 441,433,126.20 : x
  2. Step 2: Convert to fraction form
    808,765,145.40/1,213,147,718.10 = 441,433,126.20/x
  3. Step 3: Cross multiply
    808,765,145.40x = 1,213,147,718.10 × 441,433,126.20
  4. Step 4: Simplify right side
    808,765,145.40x = 535,523,589,743,279,296
  5. Step 5: Solve for x
    x = 535,523,589,743,279,296/808,765,145.40
  6. Step 6: Final answer
    x = 662,149,689.30

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Double scale
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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.