Home / 18,191,129,284.95-27,262,303,268.45-14,157,730,326.05

Finding the Fourth Proportional to 18,191,129,284.95, 27,262,303,268.45 and 14,157,730,326.05

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Solution

The fourth proportional to 18,191,129,284.95, 27,262,303,268.45 and 14,157,730,326.05 is: 21,217,612,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,129,284.95 : 27,262,303,268.45 = 14,157,730,326.05 : x
  2. Step 2: Convert to fraction form
    18,191,129,284.95/27,262,303,268.45 = 14,157,730,326.05/x
  3. Step 3: Cross multiply
    18,191,129,284.95x = 27,262,303,268.45 × 14,157,730,326.05
  4. Step 4: Simplify right side
    18,191,129,284.95x = 385,972,337,741,499,465,728
  5. Step 5: Solve for x
    x = 385,972,337,741,499,465,728/18,191,129,284.95
  6. Step 6: Final answer
    x = 21,217,612,809.83

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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.