Home / 486,781,017.08-671,791,895.60-275,107,410.25

Finding the Fourth Proportional to 486,781,017.08, 671,791,895.60 and 275,107,410.25

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Solution

The fourth proportional to 486,781,017.08, 671,791,895.60 and 275,107,410.25 is: 379,667,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,781,017.08 : 671,791,895.60 = 275,107,410.25 : x
  2. Step 2: Convert to fraction form
    486,781,017.08/671,791,895.60 = 275,107,410.25/x
  3. Step 3: Cross multiply
    486,781,017.08x = 671,791,895.60 × 275,107,410.25
  4. Step 4: Simplify right side
    486,781,017.08x = 184,814,928,622,399,360
  5. Step 5: Solve for x
    x = 184,814,928,622,399,360/486,781,017.08
  6. Step 6: Final answer
    x = 379,667,493.47

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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.