Home / 561,891,711,142.08-775,408,606,164.78-304,974,607,701.72

Finding the Fourth Proportional to 561,891,711,142.08, 775,408,606,164.78 and 304,974,607,701.72

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Solution

The fourth proportional to 561,891,711,142.08, 775,408,606,164.78 and 304,974,607,701.72 is: 420,863,897,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,891,711,142.08 : 775,408,606,164.78 = 304,974,607,701.72 : x
  2. Step 2: Convert to fraction form
    561,891,711,142.08/775,408,606,164.78 = 304,974,607,701.72/x
  3. Step 3: Cross multiply
    561,891,711,142.08x = 775,408,606,164.78 × 304,974,607,701.72
  4. Step 4: Simplify right side
    561,891,711,142.08x = 236,479,935,473,641,265,823,744
  5. Step 5: Solve for x
    x = 236,479,935,473,641,265,823,744/561,891,711,142.08
  6. Step 6: Final answer
    x = 420,863,897,410.02

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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.