Home / 30,519,895,146.78-45,785,058,261.47-12,582,468,167.04

Finding the Fourth Proportional to 30,519,895,146.78, 45,785,058,261.47 and 12,582,468,167.04

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Solution

The fourth proportional to 30,519,895,146.78, 45,785,058,261.47 and 12,582,468,167.04 is: 18,875,852,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,519,895,146.78 : 45,785,058,261.47 = 12,582,468,167.04 : x
  2. Step 2: Convert to fraction form
    30,519,895,146.78/45,785,058,261.47 = 12,582,468,167.04/x
  3. Step 3: Cross multiply
    30,519,895,146.78x = 45,785,058,261.47 × 12,582,468,167.04
  4. Step 4: Simplify right side
    30,519,895,146.78x = 576,089,038,100,839,399,424
  5. Step 5: Solve for x
    x = 576,089,038,100,839,399,424/30,519,895,146.78
  6. Step 6: Final answer
    x = 18,875,852,467.07

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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.