Home / 607,580,319.68-838,443,513.12-356,680,676.96

Finding the Fourth Proportional to 607,580,319.68, 838,443,513.12 and 356,680,676.96

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Solution

The fourth proportional to 607,580,319.68, 838,443,513.12 and 356,680,676.96 is: 492,209,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,580,319.68 : 838,443,513.12 = 356,680,676.96 : x
  2. Step 2: Convert to fraction form
    607,580,319.68/838,443,513.12 = 356,680,676.96/x
  3. Step 3: Cross multiply
    607,580,319.68x = 838,443,513.12 × 356,680,676.96
  4. Step 4: Simplify right side
    607,580,319.68x = 299,056,599,852,362,240
  5. Step 5: Solve for x
    x = 299,056,599,852,362,240/607,580,319.68
  6. Step 6: Final answer
    x = 492,209,161.76

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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.