Home / 558,077,380.44-770,140,673.28-307,176,407.96

Finding the Fourth Proportional to 558,077,380.44, 770,140,673.28 and 307,176,407.96

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Solution

The fourth proportional to 558,077,380.44, 770,140,673.28 and 307,176,407.96 is: 423,900,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,077,380.44 : 770,140,673.28 = 307,176,407.96 : x
  2. Step 2: Convert to fraction form
    558,077,380.44/770,140,673.28 = 307,176,407.96/x
  3. Step 3: Cross multiply
    558,077,380.44x = 770,140,673.28 × 307,176,407.96
  4. Step 4: Simplify right side
    558,077,380.44x = 236,569,045,642,046,336
  5. Step 5: Solve for x
    x = 236,569,045,642,046,336/558,077,380.44
  6. Step 6: Final answer
    x = 423,900,078.97

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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.