Home / 1,277,365,055.67-1,916,034,809.90-403,966,572.75

Finding the Fourth Proportional to 1,277,365,055.67, 1,916,034,809.90 and 403,966,572.75

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Solution

The fourth proportional to 1,277,365,055.67, 1,916,034,809.90 and 403,966,572.75 is: 605,945,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,365,055.67 : 1,916,034,809.90 = 403,966,572.75 : x
  2. Step 2: Convert to fraction form
    1,277,365,055.67/1,916,034,809.90 = 403,966,572.75/x
  3. Step 3: Cross multiply
    1,277,365,055.67x = 1,916,034,809.90 × 403,966,572.75
  4. Step 4: Simplify right side
    1,277,365,055.67x = 774,014,015,422,980,992
  5. Step 5: Solve for x
    x = 774,014,015,422,980,992/1,277,365,055.67
  6. Step 6: Final answer
    x = 605,945,819.47

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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.