Home / 607,348,109.94-910,833,856.92-219,120,486.72

Finding the Fourth Proportional to 607,348,109.94, 910,833,856.92 and 219,120,486.72

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Solution

The fourth proportional to 607,348,109.94, 910,833,856.92 and 219,120,486.72 is: 328,612,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,348,109.94 : 910,833,856.92 = 219,120,486.72 : x
  2. Step 2: Convert to fraction form
    607,348,109.94/910,833,856.92 = 219,120,486.72/x
  3. Step 3: Cross multiply
    607,348,109.94x = 910,833,856.92 × 219,120,486.72
  4. Step 4: Simplify right side
    607,348,109.94x = 199,582,358,049,365,216
  5. Step 5: Solve for x
    x = 199,582,358,049,365,216/607,348,109.94
  6. Step 6: Final answer
    x = 328,612,791.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.