Home / 2,871,720,739.89-3,962,974,628.68-1,551,621,295.89

Finding the Fourth Proportional to 2,871,720,739.89, 3,962,974,628.68 and 1,551,621,295.89

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Solution

The fourth proportional to 2,871,720,739.89, 3,962,974,628.68 and 1,551,621,295.89 is: 2,141,237,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,720,739.89 : 3,962,974,628.68 = 1,551,621,295.89 : x
  2. Step 2: Convert to fraction form
    2,871,720,739.89/3,962,974,628.68 = 1,551,621,295.89/x
  3. Step 3: Cross multiply
    2,871,720,739.89x = 3,962,974,628.68 × 1,551,621,295.89
  4. Step 4: Simplify right side
    2,871,720,739.89x = 6,149,035,828,931,753,984
  5. Step 5: Solve for x
    x = 6,149,035,828,931,753,984/2,871,720,739.89
  6. Step 6: Final answer
    x = 2,141,237,392.45

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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.