Home / 2,645,891,622.02-3,968,837,431.68-987,928,385.51

Finding the Fourth Proportional to 2,645,891,622.02, 3,968,837,431.68 and 987,928,385.51

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Solution

The fourth proportional to 2,645,891,622.02, 3,968,837,431.68 and 987,928,385.51 is: 1,481,892,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,891,622.02 : 3,968,837,431.68 = 987,928,385.51 : x
  2. Step 2: Convert to fraction form
    2,645,891,622.02/3,968,837,431.68 = 987,928,385.51/x
  3. Step 3: Cross multiply
    2,645,891,622.02x = 3,968,837,431.68 × 987,928,385.51
  4. Step 4: Simplify right side
    2,645,891,622.02x = 3,920,927,156,231,277,056
  5. Step 5: Solve for x
    x = 3,920,927,156,231,277,056/2,645,891,622.02
  6. Step 6: Final answer
    x = 1,481,892,577.76

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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.