Home / 878,586,666.84-1,212,446,273.10-482,116,289.82

Finding the Fourth Proportional to 878,586,666.84, 1,212,446,273.10 and 482,116,289.82

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Solution

The fourth proportional to 878,586,666.84, 1,212,446,273.10 and 482,116,289.82 is: 665,318,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,586,666.84 : 1,212,446,273.10 = 482,116,289.82 : x
  2. Step 2: Convert to fraction form
    878,586,666.84/1,212,446,273.10 = 482,116,289.82/x
  3. Step 3: Cross multiply
    878,586,666.84x = 1,212,446,273.10 × 482,116,289.82
  4. Step 4: Simplify right side
    878,586,666.84x = 584,540,098,793,058,432
  5. Step 5: Solve for x
    x = 584,540,098,793,058,432/878,586,666.84
  6. Step 6: Final answer
    x = 665,318,654.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.