Home / 756,454,401.60-1,134,681,602.40-271,796,020.80

Finding the Fourth Proportional to 756,454,401.60, 1,134,681,602.40 and 271,796,020.80

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Solution

The fourth proportional to 756,454,401.60, 1,134,681,602.40 and 271,796,020.80 is: 407,694,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,454,401.60 : 1,134,681,602.40 = 271,796,020.80 : x
  2. Step 2: Convert to fraction form
    756,454,401.60/1,134,681,602.40 = 271,796,020.80/x
  3. Step 3: Cross multiply
    756,454,401.60x = 1,134,681,602.40 × 271,796,020.80
  4. Step 4: Simplify right side
    756,454,401.60x = 308,401,944,407,287,744
  5. Step 5: Solve for x
    x = 308,401,944,407,287,744/756,454,401.60
  6. Step 6: Final answer
    x = 407,694,031.20

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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.