Home / 561,891,711,143.08-775,408,606,166.16-304,974,607,702.72

Finding the Fourth Proportional to 561,891,711,143.08, 775,408,606,166.16 and 304,974,607,702.72

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Solution

The fourth proportional to 561,891,711,143.08, 775,408,606,166.16 and 304,974,607,702.72 is: 420,863,897,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,891,711,143.08 : 775,408,606,166.16 = 304,974,607,702.72 : x
  2. Step 2: Convert to fraction form
    561,891,711,143.08/775,408,606,166.16 = 304,974,607,702.72/x
  3. Step 3: Cross multiply
    561,891,711,143.08x = 775,408,606,166.16 × 304,974,607,702.72
  4. Step 4: Simplify right side
    561,891,711,143.08x = 236,479,935,474,837,548,433,408
  5. Step 5: Solve for x
    x = 236,479,935,474,837,548,433,408/561,891,711,143.08
  6. Step 6: Final answer
    x = 420,863,897,411.40

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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.