Home / 1,005,467,081.57-1,508,257,271.12-305,981,966.06

Finding the Fourth Proportional to 1,005,467,081.57, 1,508,257,271.12 and 305,981,966.06

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Solution

The fourth proportional to 1,005,467,081.57, 1,508,257,271.12 and 305,981,966.06 is: 458,990,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,467,081.57 : 1,508,257,271.12 = 305,981,966.06 : x
  2. Step 2: Convert to fraction form
    1,005,467,081.57/1,508,257,271.12 = 305,981,966.06/x
  3. Step 3: Cross multiply
    1,005,467,081.57x = 1,508,257,271.12 × 305,981,966.06
  4. Step 4: Simplify right side
    1,005,467,081.57x = 461,499,525,141,588,032
  5. Step 5: Solve for x
    x = 461,499,525,141,588,032/1,005,467,081.57
  6. Step 6: Final answer
    x = 458,990,188.34

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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.