Home / 15,490,314,555.84-23,187,375,358.32-8,390,163,593.28

Finding the Fourth Proportional to 15,490,314,555.84, 23,187,375,358.32 and 8,390,163,593.28

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Solution

The fourth proportional to 15,490,314,555.84, 23,187,375,358.32 and 8,390,163,593.28 is: 12,559,194,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490,314,555.84 : 23,187,375,358.32 = 8,390,163,593.28 : x
  2. Step 2: Convert to fraction form
    15,490,314,555.84/23,187,375,358.32 = 8,390,163,593.28/x
  3. Step 3: Cross multiply
    15,490,314,555.84x = 23,187,375,358.32 × 8,390,163,593.28
  4. Step 4: Simplify right side
    15,490,314,555.84x = 194,545,872,555,094,245,376
  5. Step 5: Solve for x
    x = 194,545,872,555,094,245,376/15,490,314,555.84
  6. Step 6: Final answer
    x = 12,559,194,447.20

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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.