Home / 824,770,365.40-1,237,155,548.10-307,093,687.30

Finding the Fourth Proportional to 824,770,365.40, 1,237,155,548.10 and 307,093,687.30

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Solution

The fourth proportional to 824,770,365.40, 1,237,155,548.10 and 307,093,687.30 is: 460,640,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,770,365.40 : 1,237,155,548.10 = 307,093,687.30 : x
  2. Step 2: Convert to fraction form
    824,770,365.40/1,237,155,548.10 = 307,093,687.30/x
  3. Step 3: Cross multiply
    824,770,365.40x = 1,237,155,548.10 × 307,093,687.30
  4. Step 4: Simplify right side
    824,770,365.40x = 379,922,659,029,681,472
  5. Step 5: Solve for x
    x = 379,922,659,029,681,472/824,770,365.40
  6. Step 6: Final answer
    x = 460,640,530.95

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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.