Home / 1,277,365,056.67-1,916,034,811.39-403,966,573.75

Finding the Fourth Proportional to 1,277,365,056.67, 1,916,034,811.39 and 403,966,573.75

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Solution

The fourth proportional to 1,277,365,056.67, 1,916,034,811.39 and 403,966,573.75 is: 605,945,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,365,056.67 : 1,916,034,811.39 = 403,966,573.75 : x
  2. Step 2: Convert to fraction form
    1,277,365,056.67/1,916,034,811.39 = 403,966,573.75/x
  3. Step 3: Cross multiply
    1,277,365,056.67x = 1,916,034,811.39 × 403,966,573.75
  4. Step 4: Simplify right side
    1,277,365,056.67x = 774,014,017,942,945,792
  5. Step 5: Solve for x
    x = 774,014,017,942,945,792/1,277,365,056.67
  6. Step 6: Final answer
    x = 605,945,820.97

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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.