Home / 3,772,029,947.69-5,205,512,364.13-2,078,593,677.60

Finding the Fourth Proportional to 3,772,029,947.69, 5,205,512,364.13 and 2,078,593,677.60

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Solution

The fourth proportional to 3,772,029,947.69, 5,205,512,364.13 and 2,078,593,677.60 is: 2,868,520,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772,029,947.69 : 5,205,512,364.13 = 2,078,593,677.60 : x
  2. Step 2: Convert to fraction form
    3,772,029,947.69/5,205,512,364.13 = 2,078,593,677.60/x
  3. Step 3: Cross multiply
    3,772,029,947.69x = 5,205,512,364.13 × 2,078,593,677.60
  4. Step 4: Simplify right side
    3,772,029,947.69x = 10,820,145,088,733,104,128
  5. Step 5: Solve for x
    x = 10,820,145,088,733,104,128/3,772,029,947.69
  6. Step 6: Final answer
    x = 2,868,520,462.13

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1.5x scale

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.