Home / 607,348,191.69-910,833,979.55-219,120,568.47

Finding the Fourth Proportional to 607,348,191.69, 910,833,979.55 and 219,120,568.47

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Solution

The fourth proportional to 607,348,191.69, 910,833,979.55 and 219,120,568.47 is: 328,612,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,348,191.69 : 910,833,979.55 = 219,120,568.47 : x
  2. Step 2: Convert to fraction form
    607,348,191.69/910,833,979.55 = 219,120,568.47/x
  3. Step 3: Cross multiply
    607,348,191.69x = 910,833,979.55 × 219,120,568.47
  4. Step 4: Simplify right side
    607,348,191.69x = 199,582,459,379,692,736
  5. Step 5: Solve for x
    x = 199,582,459,379,692,736/607,348,191.69
  6. Step 6: Final answer
    x = 328,612,914.49

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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.