Home / 506,233,755.06-698,597,435.43-280,173,178.50

Finding the Fourth Proportional to 506,233,755.06, 698,597,435.43 and 280,173,178.50

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Solution

The fourth proportional to 506,233,755.06, 698,597,435.43 and 280,173,178.50 is: 386,636,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,233,755.06 : 698,597,435.43 = 280,173,178.50 : x
  2. Step 2: Convert to fraction form
    506,233,755.06/698,597,435.43 = 280,173,178.50/x
  3. Step 3: Cross multiply
    506,233,755.06x = 698,597,435.43 × 280,173,178.50
  4. Step 4: Simplify right side
    506,233,755.06x = 195,728,263,976,371,584
  5. Step 5: Solve for x
    x = 195,728,263,976,371,584/506,233,755.06
  6. Step 6: Final answer
    x = 386,636,137.99

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Why These Related Problems?

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