Home / 4,080,963,749.70-6,121,445,624.55-1,320,871,772.10

Finding the Fourth Proportional to 4,080,963,749.70, 6,121,445,624.55 and 1,320,871,772.10

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Solution

The fourth proportional to 4,080,963,749.70, 6,121,445,624.55 and 1,320,871,772.10 is: 1,981,307,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,963,749.70 : 6,121,445,624.55 = 1,320,871,772.10 : x
  2. Step 2: Convert to fraction form
    4,080,963,749.70/6,121,445,624.55 = 1,320,871,772.10/x
  3. Step 3: Cross multiply
    4,080,963,749.70x = 6,121,445,624.55 × 1,320,871,772.10
  4. Step 4: Simplify right side
    4,080,963,749.70x = 8,085,644,729,913,149,440
  5. Step 5: Solve for x
    x = 8,085,644,729,913,149,440/4,080,963,749.70
  6. Step 6: Final answer
    x = 1,981,307,658.15

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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.