Home / 558,077,380.92-770,140,673.96-307,176,408.45

Finding the Fourth Proportional to 558,077,380.92, 770,140,673.96 and 307,176,408.45

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Solution

The fourth proportional to 558,077,380.92, 770,140,673.96 and 307,176,408.45 is: 423,900,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,077,380.92 : 770,140,673.96 = 307,176,408.45 : x
  2. Step 2: Convert to fraction form
    558,077,380.92/770,140,673.96 = 307,176,408.45/x
  3. Step 3: Cross multiply
    558,077,380.92x = 770,140,673.96 × 307,176,408.45
  4. Step 4: Simplify right side
    558,077,380.92x = 236,569,046,226,759,360
  5. Step 5: Solve for x
    x = 236,569,046,226,759,360/558,077,380.92
  6. Step 6: Final answer
    x = 423,900,079.66

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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.