Home / 2,639,709,700.80-3,959,564,551.20-1,415,269,636.80

Finding the Fourth Proportional to 2,639,709,700.80, 3,959,564,551.20 and 1,415,269,636.80

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Solution

The fourth proportional to 2,639,709,700.80, 3,959,564,551.20 and 1,415,269,636.80 is: 2,122,904,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,709,700.80 : 3,959,564,551.20 = 1,415,269,636.80 : x
  2. Step 2: Convert to fraction form
    2,639,709,700.80/3,959,564,551.20 = 1,415,269,636.80/x
  3. Step 3: Cross multiply
    2,639,709,700.80x = 3,959,564,551.20 × 1,415,269,636.80
  4. Step 4: Simplify right side
    2,639,709,700.80x = 5,603,851,484,262,978,560
  5. Step 5: Solve for x
    x = 5,603,851,484,262,978,560/2,639,709,700.80
  6. Step 6: Final answer
    x = 2,122,904,455.20

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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.