Home / 993,386,348.10-1,490,079,522.15-303,203,921.40

Finding the Fourth Proportional to 993,386,348.10, 1,490,079,522.15 and 303,203,921.40

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Solution

The fourth proportional to 993,386,348.10, 1,490,079,522.15 and 303,203,921.40 is: 454,805,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,386,348.10 : 1,490,079,522.15 = 303,203,921.40 : x
  2. Step 2: Convert to fraction form
    993,386,348.10/1,490,079,522.15 = 303,203,921.40/x
  3. Step 3: Cross multiply
    993,386,348.10x = 1,490,079,522.15 × 303,203,921.40
  4. Step 4: Simplify right side
    993,386,348.10x = 451,797,954,313,718,144
  5. Step 5: Solve for x
    x = 451,797,954,313,718,144/993,386,348.10
  6. Step 6: Final answer
    x = 454,805,882.10

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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.