Home / 506,494,689.59-698,984,516.75-280,433,672.03

Finding the Fourth Proportional to 506,494,689.59, 698,984,516.75 and 280,433,672.03

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Solution

The fourth proportional to 506,494,689.59, 698,984,516.75 and 280,433,672.03 is: 387,010,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,494,689.59 : 698,984,516.75 = 280,433,672.03 : x
  2. Step 2: Convert to fraction form
    506,494,689.59/698,984,516.75 = 280,433,672.03/x
  3. Step 3: Cross multiply
    506,494,689.59x = 698,984,516.75 × 280,433,672.03
  4. Step 4: Simplify right side
    506,494,689.59x = 196,018,794,724,662,848
  5. Step 5: Solve for x
    x = 196,018,794,724,662,848/506,494,689.59
  6. Step 6: Final answer
    x = 387,010,562.50

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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.