Home / 1,277,365,055.86-1,916,034,810.19-403,966,572.94

Finding the Fourth Proportional to 1,277,365,055.86, 1,916,034,810.19 and 403,966,572.94

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Solution

The fourth proportional to 1,277,365,055.86, 1,916,034,810.19 and 403,966,572.94 is: 605,945,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,365,055.86 : 1,916,034,810.19 = 403,966,572.94 : x
  2. Step 2: Convert to fraction form
    1,277,365,055.86/1,916,034,810.19 = 403,966,572.94/x
  3. Step 3: Cross multiply
    1,277,365,055.86x = 1,916,034,810.19 × 403,966,572.94
  4. Step 4: Simplify right side
    1,277,365,055.86x = 774,014,015,909,885,568
  5. Step 5: Solve for x
    x = 774,014,015,909,885,568/1,277,365,055.86
  6. Step 6: Final answer
    x = 605,945,819.76

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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.