Home / 1,771,137,168.80-2,654,401,355.04-720,651,143.12

Finding the Fourth Proportional to 1,771,137,168.80, 2,654,401,355.04 and 720,651,143.12

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Solution

The fourth proportional to 1,771,137,168.80, 2,654,401,355.04 and 720,651,143.12 is: 1,080,039,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,137,168.80 : 2,654,401,355.04 = 720,651,143.12 : x
  2. Step 2: Convert to fraction form
    1,771,137,168.80/2,654,401,355.04 = 720,651,143.12/x
  3. Step 3: Cross multiply
    1,771,137,168.80x = 2,654,401,355.04 × 720,651,143.12
  4. Step 4: Simplify right side
    1,771,137,168.80x = 1,912,897,370,808,852,992
  5. Step 5: Solve for x
    x = 1,912,897,370,808,852,992/1,771,137,168.80
  6. Step 6: Final answer
    x = 1,080,039,087.04

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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.