Home / 427,702,685.71-641,823,900.95-182,058,919.53

Finding the Fourth Proportional to 427,702,685.71, 641,823,900.95 and 182,058,919.53

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Solution

The fourth proportional to 427,702,685.71, 641,823,900.95 and 182,058,919.53 is: 273,203,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,702,685.71 : 641,823,900.95 = 182,058,919.53 : x
  2. Step 2: Convert to fraction form
    427,702,685.71/641,823,900.95 = 182,058,919.53/x
  3. Step 3: Cross multiply
    427,702,685.71x = 641,823,900.95 × 182,058,919.53
  4. Step 4: Simplify right side
    427,702,685.71x = 116,849,765,932,732,768
  5. Step 5: Solve for x
    x = 116,849,765,932,732,768/427,702,685.71
  6. Step 6: Final answer
    x = 273,203,255.05

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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.