Home / 5,184,511,628.72-7,154,644,112.52-2,805,648,969.92

Finding the Fourth Proportional to 5,184,511,628.72, 7,154,644,112.52 and 2,805,648,969.92

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Solution

The fourth proportional to 5,184,511,628.72, 7,154,644,112.52 and 2,805,648,969.92 is: 3,871,805,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,511,628.72 : 7,154,644,112.52 = 2,805,648,969.92 : x
  2. Step 2: Convert to fraction form
    5,184,511,628.72/7,154,644,112.52 = 2,805,648,969.92/x
  3. Step 3: Cross multiply
    5,184,511,628.72x = 7,154,644,112.52 × 2,805,648,969.92
  4. Step 4: Simplify right side
    5,184,511,628.72x = 20,073,419,884,435,931,136
  5. Step 5: Solve for x
    x = 20,073,419,884,435,931,136/5,184,511,628.72
  6. Step 6: Final answer
    x = 3,871,805,354.48

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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.