Home / 908,172,001.90-1,362,258,002.85-449,006,977.90

Finding the Fourth Proportional to 908,172,001.90, 1,362,258,002.85 and 449,006,977.90

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Solution

The fourth proportional to 908,172,001.90, 1,362,258,002.85 and 449,006,977.90 is: 673,510,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,172,001.90 : 1,362,258,002.85 = 449,006,977.90 : x
  2. Step 2: Convert to fraction form
    908,172,001.90/1,362,258,002.85 = 449,006,977.90/x
  3. Step 3: Cross multiply
    908,172,001.90x = 1,362,258,002.85 × 449,006,977.90
  4. Step 4: Simplify right side
    908,172,001.90x = 611,663,348,979,768,064
  5. Step 5: Solve for x
    x = 611,663,348,979,768,064/908,172,001.90
  6. Step 6: Final answer
    x = 673,510,466.85

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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.