Home / 3,421,819,017.78-4,721,300,820.03-1,936,707,143.28

Finding the Fourth Proportional to 3,421,819,017.78, 4,721,300,820.03 and 1,936,707,143.28

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Solution

The fourth proportional to 3,421,819,017.78, 4,721,300,820.03 and 1,936,707,143.28 is: 2,672,197,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,819,017.78 : 4,721,300,820.03 = 1,936,707,143.28 : x
  2. Step 2: Convert to fraction form
    3,421,819,017.78/4,721,300,820.03 = 1,936,707,143.28/x
  3. Step 3: Cross multiply
    3,421,819,017.78x = 4,721,300,820.03 × 1,936,707,143.28
  4. Step 4: Simplify right side
    3,421,819,017.78x = 9,143,777,023,725,821,952
  5. Step 5: Solve for x
    x = 9,143,777,023,725,821,952/3,421,819,017.78
  6. Step 6: Final answer
    x = 2,672,197,733.49

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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.