Home / 1,087,230,977.52-1,631,059,629.12-432,059,885.52

Finding the Fourth Proportional to 1,087,230,977.52, 1,631,059,629.12 and 432,059,885.52

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Solution

The fourth proportional to 1,087,230,977.52, 1,631,059,629.12 and 432,059,885.52 is: 648,174,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,230,977.52 : 1,631,059,629.12 = 432,059,885.52 : x
  2. Step 2: Convert to fraction form
    1,087,230,977.52/1,631,059,629.12 = 432,059,885.52/x
  3. Step 3: Cross multiply
    1,087,230,977.52x = 1,631,059,629.12 × 432,059,885.52
  4. Step 4: Simplify right side
    1,087,230,977.52x = 704,715,436,633,880,832
  5. Step 5: Solve for x
    x = 704,715,436,633,880,832/1,087,230,977.52
  6. Step 6: Final answer
    x = 648,174,538.07

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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.