Home / 1,277,365,063.88-1,916,034,822.20-403,966,580.96

Finding the Fourth Proportional to 1,277,365,063.88, 1,916,034,822.20 and 403,966,580.96

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Solution

The fourth proportional to 1,277,365,063.88, 1,916,034,822.20 and 403,966,580.96 is: 605,945,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,365,063.88 : 1,916,034,822.20 = 403,966,580.96 : x
  2. Step 2: Convert to fraction form
    1,277,365,063.88/1,916,034,822.20 = 403,966,580.96/x
  3. Step 3: Cross multiply
    1,277,365,063.88x = 1,916,034,822.20 × 403,966,580.96
  4. Step 4: Simplify right side
    1,277,365,063.88x = 774,014,036,124,435,456
  5. Step 5: Solve for x
    x = 774,014,036,124,435,456/1,277,365,063.88
  6. Step 6: Final answer
    x = 605,945,831.78

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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.