Home / 3,928,011,189.99-5,892,792,967.89-1,440,895,212.47

Finding the Fourth Proportional to 3,928,011,189.99, 5,892,792,967.89 and 1,440,895,212.47

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Solution

The fourth proportional to 3,928,011,189.99, 5,892,792,967.89 and 1,440,895,212.47 is: 2,161,627,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,011,189.99 : 5,892,792,967.89 = 1,440,895,212.47 : x
  2. Step 2: Convert to fraction form
    3,928,011,189.99/5,892,792,967.89 = 1,440,895,212.47/x
  3. Step 3: Cross multiply
    3,928,011,189.99x = 5,892,792,967.89 × 1,440,895,212.47
  4. Step 4: Simplify right side
    3,928,011,189.99x = 8,490,897,175,480,119,296
  5. Step 5: Solve for x
    x = 8,490,897,175,480,119,296/3,928,011,189.99
  6. Step 6: Final answer
    x = 2,161,627,542.49

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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.