Home / 452,008,960.95-678,015,726.83-141,090,513.75

Finding the Fourth Proportional to 452,008,960.95, 678,015,726.83 and 141,090,513.75

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Solution

The fourth proportional to 452,008,960.95, 678,015,726.83 and 141,090,513.75 is: 211,636,483.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,008,960.95 : 678,015,726.83 = 141,090,513.75 : x
  2. Step 2: Convert to fraction form
    452,008,960.95/678,015,726.83 = 141,090,513.75/x
  3. Step 3: Cross multiply
    452,008,960.95x = 678,015,726.83 × 141,090,513.75
  4. Step 4: Simplify right side
    452,008,960.95x = 95,661,587,228,318,912
  5. Step 5: Solve for x
    x = 95,661,587,228,318,912/452,008,960.95
  6. Step 6: Final answer
    x = 211,636,483.99

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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.