Home / 698,145,101.73-963,447,664.82-384,890,525.79

Finding the Fourth Proportional to 698,145,101.73, 963,447,664.82 and 384,890,525.79

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Solution

The fourth proportional to 698,145,101.73, 963,447,664.82 and 384,890,525.79 is: 531,153,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,145,101.73 : 963,447,664.82 = 384,890,525.79 : x
  2. Step 2: Convert to fraction form
    698,145,101.73/963,447,664.82 = 384,890,525.79/x
  3. Step 3: Cross multiply
    698,145,101.73x = 963,447,664.82 × 384,890,525.79
  4. Step 4: Simplify right side
    698,145,101.73x = 370,821,878,278,180,096
  5. Step 5: Solve for x
    x = 370,821,878,278,180,096/698,145,101.73
  6. Step 6: Final answer
    x = 531,153,018.71

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Double scale
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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.