Home / 757,185,156.90-1,133,450,335.42-645,482,029.95

Finding the Fourth Proportional to 757,185,156.90, 1,133,450,335.42 and 645,482,029.95

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Solution

The fourth proportional to 757,185,156.90, 1,133,450,335.42 and 645,482,029.95 is: 966,238,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,185,156.90 : 1,133,450,335.42 = 645,482,029.95 : x
  2. Step 2: Convert to fraction form
    757,185,156.90/1,133,450,335.42 = 645,482,029.95/x
  3. Step 3: Cross multiply
    757,185,156.90x = 1,133,450,335.42 × 645,482,029.95
  4. Step 4: Simplify right side
    757,185,156.90x = 731,621,823,352,796,288
  5. Step 5: Solve for x
    x = 731,621,823,352,796,288/757,185,156.90
  6. Step 6: Final answer
    x = 966,238,992.78

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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.