Home / 278,001,662.24-383,648,153.54-152,552,760.90

Finding the Fourth Proportional to 278,001,662.24, 383,648,153.54 and 152,552,760.90

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Solution

The fourth proportional to 278,001,662.24, 383,648,153.54 and 152,552,760.90 is: 210,526,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,001,662.24 : 383,648,153.54 = 152,552,760.90 : x
  2. Step 2: Convert to fraction form
    278,001,662.24/383,648,153.54 = 152,552,760.90/x
  3. Step 3: Cross multiply
    278,001,662.24x = 383,648,153.54 × 152,552,760.90
  4. Step 4: Simplify right side
    278,001,662.24x = 58,526,585,037,968,864
  5. Step 5: Solve for x
    x = 58,526,585,037,968,864/278,001,662.24
  6. Step 6: Final answer
    x = 210,526,025.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.