Home / 893,256,688.76-1,231,838,742.98-591,364,112.76

Finding the Fourth Proportional to 893,256,688.76, 1,231,838,742.98 and 591,364,112.76

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Solution

The fourth proportional to 893,256,688.76, 1,231,838,742.98 and 591,364,112.76 is: 815,516,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,256,688.76 : 1,231,838,742.98 = 591,364,112.76 : x
  2. Step 2: Convert to fraction form
    893,256,688.76/1,231,838,742.98 = 591,364,112.76/x
  3. Step 3: Cross multiply
    893,256,688.76x = 1,231,838,742.98 × 591,364,112.76
  4. Step 4: Simplify right side
    893,256,688.76x = 728,465,225,305,761,408
  5. Step 5: Solve for x
    x = 728,465,225,305,761,408/893,256,688.76
  6. Step 6: Final answer
    x = 815,516,115.88

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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.