Home / 429,055,436,943.39-643,359,685,396.98-202,354,019,527.61

Finding the Fourth Proportional to 429,055,436,943.39, 643,359,685,396.98 and 202,354,019,527.61

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Solution

The fourth proportional to 429,055,436,943.39, 643,359,685,396.98 and 202,354,019,527.61 is: 303,425,634,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,055,436,943.39 : 643,359,685,396.98 = 202,354,019,527.61 : x
  2. Step 2: Convert to fraction form
    429,055,436,943.39/643,359,685,396.98 = 202,354,019,527.61/x
  3. Step 3: Cross multiply
    429,055,436,943.39x = 643,359,685,396.98 × 202,354,019,527.61
  4. Step 4: Simplify right side
    429,055,436,943.39x = 130,186,418,342,097,500,241,920
  5. Step 5: Solve for x
    x = 130,186,418,342,097,500,241,920/429,055,436,943.39
  6. Step 6: Final answer
    x = 303,425,634,853.97

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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.