Home / 13,920,926,783,355-19,211,894,312,648-8,069,544,672,972.20

Finding the Fourth Proportional to 13,920,926,783,355, 19,211,894,312,648 and 8,069,544,672,972.20

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Solution

The fourth proportional to 13,920,926,783,355, 19,211,894,312,648 and 8,069,544,672,972.20 is: 11,136,560,217,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920,926,783,355 : 19,211,894,312,648 = 8,069,544,672,972.20 : x
  2. Step 2: Convert to fraction form
    13,920,926,783,355/19,211,894,312,648 = 8,069,544,672,972.20/x
  3. Step 3: Cross multiply
    13,920,926,783,355x = 19,211,894,312,648 × 8,069,544,672,972.20
  4. Step 4: Simplify right side
    13,920,926,783,355x = 155,031,239,408,333,571,535,929,344
  5. Step 5: Solve for x
    x = 155,031,239,408,333,571,535,929,344/13,920,926,783,355
  6. Step 6: Final answer
    x = 11,136,560,217,650.28

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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.