Home / 558,077,380.80-770,140,673.80-307,176,408.33

Finding the Fourth Proportional to 558,077,380.80, 770,140,673.80 and 307,176,408.33

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Solution

The fourth proportional to 558,077,380.80, 770,140,673.80 and 307,176,408.33 is: 423,900,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,077,380.80 : 770,140,673.80 = 307,176,408.33 : x
  2. Step 2: Convert to fraction form
    558,077,380.80/770,140,673.80 = 307,176,408.33/x
  3. Step 3: Cross multiply
    558,077,380.80x = 770,140,673.80 × 307,176,408.33
  4. Step 4: Simplify right side
    558,077,380.80x = 236,569,046,086,730,112
  5. Step 5: Solve for x
    x = 236,569,046,086,730,112/558,077,380.80
  6. Step 6: Final answer
    x = 423,900,079.50

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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.