Home / 908,172,002.90-1,362,258,004.35-449,006,978.90

Finding the Fourth Proportional to 908,172,002.90, 1,362,258,004.35 and 449,006,978.90

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Solution

The fourth proportional to 908,172,002.90, 1,362,258,004.35 and 449,006,978.90 is: 673,510,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,172,002.90 : 1,362,258,004.35 = 449,006,978.90 : x
  2. Step 2: Convert to fraction form
    908,172,002.90/1,362,258,004.35 = 449,006,978.90/x
  3. Step 3: Cross multiply
    908,172,002.90x = 1,362,258,004.35 × 449,006,978.90
  4. Step 4: Simplify right side
    908,172,002.90x = 611,663,351,015,536,512
  5. Step 5: Solve for x
    x = 611,663,351,015,536,512/908,172,002.90
  6. Step 6: Final answer
    x = 673,510,468.35

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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.