Home / 1,217,759,463,923.20-1,680,652,128,252-723,365,974,480.30

Finding the Fourth Proportional to 1,217,759,463,923.20, 1,680,652,128,252 and 723,365,974,480.30

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Solution

The fourth proportional to 1,217,759,463,923.20, 1,680,652,128,252 and 723,365,974,480.30 is: 998,330,623,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,759,463,923.20 : 1,680,652,128,252 = 723,365,974,480.30 : x
  2. Step 2: Convert to fraction form
    1,217,759,463,923.20/1,680,652,128,252 = 723,365,974,480.30/x
  3. Step 3: Cross multiply
    1,217,759,463,923.20x = 1,680,652,128,252 × 723,365,974,480.30
  4. Step 4: Simplify right side
    1,217,759,463,923.20x = 1,215,726,564,515,398,151,045,120
  5. Step 5: Solve for x
    x = 1,215,726,564,515,398,151,045,120/1,217,759,463,923.20
  6. Step 6: Final answer
    x = 998,330,623,191.17

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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.