Home / 579,385,010.30-869,077,515.45-273,274,994.30

Finding the Fourth Proportional to 579,385,010.30, 869,077,515.45 and 273,274,994.30

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Solution

The fourth proportional to 579,385,010.30, 869,077,515.45 and 273,274,994.30 is: 409,912,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,385,010.30 : 869,077,515.45 = 273,274,994.30 : x
  2. Step 2: Convert to fraction form
    579,385,010.30/869,077,515.45 = 273,274,994.30/x
  3. Step 3: Cross multiply
    579,385,010.30x = 869,077,515.45 × 273,274,994.30
  4. Step 4: Simplify right side
    579,385,010.30x = 237,497,153,080,856,928
  5. Step 5: Solve for x
    x = 237,497,153,080,856,928/579,385,010.30
  6. Step 6: Final answer
    x = 409,912,491.45

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Double scale
Find fourth proportional to 579,385,011.30, 869,077,516.95 and 273,274,995.30
Similar ratio
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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.