Home / 714,262,280.96-1,071,531,395.68-271,570,540.42

Finding the Fourth Proportional to 714,262,280.96, 1,071,531,395.68 and 271,570,540.42

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Solution

The fourth proportional to 714,262,280.96, 1,071,531,395.68 and 271,570,540.42 is: 407,408,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,262,280.96 : 1,071,531,395.68 = 271,570,540.42 : x
  2. Step 2: Convert to fraction form
    714,262,280.96/1,071,531,395.68 = 271,570,540.42/x
  3. Step 3: Cross multiply
    714,262,280.96x = 1,071,531,395.68 × 271,570,540.42
  4. Step 4: Simplify right side
    714,262,280.96x = 290,996,360,197,135,744
  5. Step 5: Solve for x
    x = 290,996,360,197,135,744/714,262,280.96
  6. Step 6: Final answer
    x = 407,408,269.98

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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.