Home / 2,725,920,100.80-4,087,872,381.60-885,732,811.20

Finding the Fourth Proportional to 2,725,920,100.80, 4,087,872,381.60 and 885,732,811.20

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Solution

The fourth proportional to 2,725,920,100.80, 4,087,872,381.60 and 885,732,811.20 is: 1,328,271,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725,920,100.80 : 4,087,872,381.60 = 885,732,811.20 : x
  2. Step 2: Convert to fraction form
    2,725,920,100.80/4,087,872,381.60 = 885,732,811.20/x
  3. Step 3: Cross multiply
    2,725,920,100.80x = 4,087,872,381.60 × 885,732,811.20
  4. Step 4: Simplify right side
    2,725,920,100.80x = 3,620,762,696,381,407,232
  5. Step 5: Solve for x
    x = 3,620,762,696,381,407,232/2,725,920,100.80
  6. Step 6: Final answer
    x = 1,328,271,762.37

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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.