Home / 636,920,503,510.56-955,384,326,805.28-212,447,603,222.08

Finding the Fourth Proportional to 636,920,503,510.56, 955,384,326,805.28 and 212,447,603,222.08

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Solution

The fourth proportional to 636,920,503,510.56, 955,384,326,805.28 and 212,447,603,222.08 is: 318,672,596,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,920,503,510.56 : 955,384,326,805.28 = 212,447,603,222.08 : x
  2. Step 2: Convert to fraction form
    636,920,503,510.56/955,384,326,805.28 = 212,447,603,222.08/x
  3. Step 3: Cross multiply
    636,920,503,510.56x = 955,384,326,805.28 × 212,447,603,222.08
  4. Step 4: Simplify right side
    636,920,503,510.56x = 202,969,110,385,722,136,723,456
  5. Step 5: Solve for x
    x = 202,969,110,385,722,136,723,456/636,920,503,510.56
  6. Step 6: Final answer
    x = 318,672,596,135.63

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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.