Home / 2,486,039,420.80-3,729,556,795.20-739,238,780.80

Finding the Fourth Proportional to 2,486,039,420.80, 3,729,556,795.20 and 739,238,780.80

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Solution

The fourth proportional to 2,486,039,420.80, 3,729,556,795.20 and 739,238,780.80 is: 1,109,006,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,039,420.80 : 3,729,556,795.20 = 739,238,780.80 : x
  2. Step 2: Convert to fraction form
    2,486,039,420.80/3,729,556,795.20 = 739,238,780.80/x
  3. Step 3: Cross multiply
    2,486,039,420.80x = 3,729,556,795.20 × 739,238,780.80
  4. Step 4: Simplify right side
    2,486,039,420.80x = 2,757,033,018,208,003,072
  5. Step 5: Solve for x
    x = 2,757,033,018,208,003,072/2,486,039,420.80
  6. Step 6: Final answer
    x = 1,109,006,154.58

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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.