Home / 19,221,901,926,890-26,528,498,722,082-11,418,075,762,392

Finding the Fourth Proportional to 19,221,901,926,890, 26,528,498,722,082 and 11,418,075,762,392

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Solution

The fourth proportional to 19,221,901,926,890, 26,528,498,722,082 and 11,418,075,762,392 is: 15,758,295,376,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221,901,926,890 : 26,528,498,722,082 = 11,418,075,762,392 : x
  2. Step 2: Convert to fraction form
    19,221,901,926,890/26,528,498,722,082 = 11,418,075,762,392/x
  3. Step 3: Cross multiply
    19,221,901,926,890x = 26,528,498,722,082 × 11,418,075,762,392
  4. Step 4: Simplify right side
    19,221,901,926,890x = 302,904,408,271,251,645,212,393,472
  5. Step 5: Solve for x
    x = 302,904,408,271,251,645,212,393,472/19,221,901,926,890
  6. Step 6: Final answer
    x = 15,758,295,376,978.86

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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.