Home / 2,319,480,778.28-3,200,883,940.74-1,276,439,242.28

Finding the Fourth Proportional to 2,319,480,778.28, 3,200,883,940.74 and 1,276,439,242.28

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Solution

The fourth proportional to 2,319,480,778.28, 3,200,883,940.74 and 1,276,439,242.28 is: 1,761,486,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,480,778.28 : 3,200,883,940.74 = 1,276,439,242.28 : x
  2. Step 2: Convert to fraction form
    2,319,480,778.28/3,200,883,940.74 = 1,276,439,242.28/x
  3. Step 3: Cross multiply
    2,319,480,778.28x = 3,200,883,940.74 × 1,276,439,242.28
  4. Step 4: Simplify right side
    2,319,480,778.28x = 4,085,733,871,944,385,536
  5. Step 5: Solve for x
    x = 4,085,733,871,944,385,536/2,319,480,778.28
  6. Step 6: Final answer
    x = 1,761,486,411.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.