Home / 1,492,992,021.20-2,239,488,031.80-848,019,477.20

Finding the Fourth Proportional to 1,492,992,021.20, 2,239,488,031.80 and 848,019,477.20

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Solution

The fourth proportional to 1,492,992,021.20, 2,239,488,031.80 and 848,019,477.20 is: 1,272,029,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,992,021.20 : 2,239,488,031.80 = 848,019,477.20 : x
  2. Step 2: Convert to fraction form
    1,492,992,021.20/2,239,488,031.80 = 848,019,477.20/x
  3. Step 3: Cross multiply
    1,492,992,021.20x = 2,239,488,031.80 × 848,019,477.20
  4. Step 4: Simplify right side
    1,492,992,021.20x = 1,899,129,469,922,693,120
  5. Step 5: Solve for x
    x = 1,899,129,469,922,693,120/1,492,992,021.20
  6. Step 6: Final answer
    x = 1,272,029,215.80

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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.