Home / 15,392,146,494.68-21,243,392,187.24-8,618,401,601.52

Finding the Fourth Proportional to 15,392,146,494.68, 21,243,392,187.24 and 8,618,401,601.52

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Solution

The fourth proportional to 15,392,146,494.68, 21,243,392,187.24 and 8,618,401,601.52 is: 11,894,642,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392,146,494.68 : 21,243,392,187.24 = 8,618,401,601.52 : x
  2. Step 2: Convert to fraction form
    15,392,146,494.68/21,243,392,187.24 = 8,618,401,601.52/x
  3. Step 3: Cross multiply
    15,392,146,494.68x = 21,243,392,187.24 × 8,618,401,601.52
  4. Step 4: Simplify right side
    15,392,146,494.68x = 183,084,085,248,226,689,024
  5. Step 5: Solve for x
    x = 183,084,085,248,226,689,024/15,392,146,494.68
  6. Step 6: Final answer
    x = 11,894,642,849.94

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1.5x scale

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.