Home / 4,080,963,932.70-6,121,445,899.05-1,320,871,955.10

Finding the Fourth Proportional to 4,080,963,932.70, 6,121,445,899.05 and 1,320,871,955.10

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Solution

The fourth proportional to 4,080,963,932.70, 6,121,445,899.05 and 1,320,871,955.10 is: 1,981,307,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,963,932.70 : 6,121,445,899.05 = 1,320,871,955.10 : x
  2. Step 2: Convert to fraction form
    4,080,963,932.70/6,121,445,899.05 = 1,320,871,955.10/x
  3. Step 3: Cross multiply
    4,080,963,932.70x = 6,121,445,899.05 × 1,320,871,955.10
  4. Step 4: Simplify right side
    4,080,963,932.70x = 8,085,646,212,717,050,880
  5. Step 5: Solve for x
    x = 8,085,646,212,717,050,880/4,080,963,932.70
  6. Step 6: Final answer
    x = 1,981,307,932.65

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Double scale
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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.