Home / 288,686,065.80-432,178,793.10-271,868,910.60

Finding the Fourth Proportional to 288,686,065.80, 432,178,793.10 and 271,868,910.60

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Solution

The fourth proportional to 288,686,065.80, 432,178,793.10 and 271,868,910.60 is: 407,002,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,686,065.80 : 432,178,793.10 = 271,868,910.60 : x
  2. Step 2: Convert to fraction form
    288,686,065.80/432,178,793.10 = 271,868,910.60/x
  3. Step 3: Cross multiply
    288,686,065.80x = 432,178,793.10 × 271,868,910.60
  4. Step 4: Simplify right side
    288,686,065.80x = 117,495,977,664,519,808
  5. Step 5: Solve for x
    x = 117,495,977,664,519,808/288,686,065.80
  6. Step 6: Final answer
    x = 407,002,594.11

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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.