Home / 15,718,913,389.65-21,694,002,676.29-8,946,378,679.62

Finding the Fourth Proportional to 15,718,913,389.65, 21,694,002,676.29 and 8,946,378,679.62

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Solution

The fourth proportional to 15,718,913,389.65, 21,694,002,676.29 and 8,946,378,679.62 is: 12,347,085,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,913,389.65 : 21,694,002,676.29 = 8,946,378,679.62 : x
  2. Step 2: Convert to fraction form
    15,718,913,389.65/21,694,002,676.29 = 8,946,378,679.62/x
  3. Step 3: Cross multiply
    15,718,913,389.65x = 21,694,002,676.29 × 8,946,378,679.62
  4. Step 4: Simplify right side
    15,718,913,389.65x = 194,082,763,018,780,114,944
  5. Step 5: Solve for x
    x = 194,082,763,018,780,114,944/15,718,913,389.65
  6. Step 6: Final answer
    x = 12,347,085,209.25

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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.