Home / 5,177,543,925.30-7,145,007,535.17-2,798,681,895.36

Finding the Fourth Proportional to 5,177,543,925.30, 7,145,007,535.17 and 2,798,681,895.36

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Solution

The fourth proportional to 5,177,543,925.30, 7,145,007,535.17 and 2,798,681,895.36 is: 3,862,179,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,543,925.30 : 7,145,007,535.17 = 2,798,681,895.36 : x
  2. Step 2: Convert to fraction form
    5,177,543,925.30/7,145,007,535.17 = 2,798,681,895.36/x
  3. Step 3: Cross multiply
    5,177,543,925.30x = 7,145,007,535.17 × 2,798,681,895.36
  4. Step 4: Simplify right side
    5,177,543,925.30x = 19,996,603,230,911,066,112
  5. Step 5: Solve for x
    x = 19,996,603,230,911,066,112/5,177,543,925.30
  6. Step 6: Final answer
    x = 3,862,179,349.79

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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.