Home / 908,172,026.40-1,362,258,039.60-449,007,002.40

Finding the Fourth Proportional to 908,172,026.40, 1,362,258,039.60 and 449,007,002.40

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Solution

The fourth proportional to 908,172,026.40, 1,362,258,039.60 and 449,007,002.40 is: 673,510,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,172,026.40 : 1,362,258,039.60 = 449,007,002.40 : x
  2. Step 2: Convert to fraction form
    908,172,026.40/1,362,258,039.60 = 449,007,002.40/x
  3. Step 3: Cross multiply
    908,172,026.40x = 1,362,258,039.60 × 449,007,002.40
  4. Step 4: Simplify right side
    908,172,026.40x = 611,663,398,856,096,384
  5. Step 5: Solve for x
    x = 611,663,398,856,096,384/908,172,026.40
  6. Step 6: Final answer
    x = 673,510,503.60

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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.