Home / 18,688,899,655.98-25,790,679,443.52-10,115,324,832.42

Finding the Fourth Proportional to 18,688,899,655.98, 25,790,679,443.52 and 10,115,324,832.42

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Solution

The fourth proportional to 18,688,899,655.98, 25,790,679,443.52 and 10,115,324,832.42 is: 13,959,147,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688,899,655.98 : 25,790,679,443.52 = 10,115,324,832.42 : x
  2. Step 2: Convert to fraction form
    18,688,899,655.98/25,790,679,443.52 = 10,115,324,832.42/x
  3. Step 3: Cross multiply
    18,688,899,655.98x = 25,790,679,443.52 × 10,115,324,832.42
  4. Step 4: Simplify right side
    18,688,899,655.98x = 260,881,100,220,021,899,264
  5. Step 5: Solve for x
    x = 260,881,100,220,021,899,264/18,688,899,655.98
  6. Step 6: Final answer
    x = 13,959,147,142.01

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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.