Home / 1,921,860,510.03-2,878,135,443.38-1,329,992,251.01

Finding the Fourth Proportional to 1,921,860,510.03, 2,878,135,443.38 and 1,329,992,251.01

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Solution

The fourth proportional to 1,921,860,510.03, 2,878,135,443.38 and 1,329,992,251.01 is: 1,991,766,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,860,510.03 : 2,878,135,443.38 = 1,329,992,251.01 : x
  2. Step 2: Convert to fraction form
    1,921,860,510.03/2,878,135,443.38 = 1,329,992,251.01/x
  3. Step 3: Cross multiply
    1,921,860,510.03x = 2,878,135,443.38 × 1,329,992,251.01
  4. Step 4: Simplify right side
    1,921,860,510.03x = 3,827,897,837,061,837,824
  5. Step 5: Solve for x
    x = 3,827,897,837,061,837,824/1,921,860,510.03
  6. Step 6: Final answer
    x = 1,991,766,737.01

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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.