Home / 374,701,081.75-517,141,607.22-215,900,802.27

Finding the Fourth Proportional to 374,701,081.75, 517,141,607.22 and 215,900,802.27

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Solution

The fourth proportional to 374,701,081.75, 517,141,607.22 and 215,900,802.27 is: 297,974,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,701,081.75 : 517,141,607.22 = 215,900,802.27 : x
  2. Step 2: Convert to fraction form
    374,701,081.75/517,141,607.22 = 215,900,802.27/x
  3. Step 3: Cross multiply
    374,701,081.75x = 517,141,607.22 × 215,900,802.27
  4. Step 4: Simplify right side
    374,701,081.75x = 111,651,287,885,995,232
  5. Step 5: Solve for x
    x = 111,651,287,885,995,232/374,701,081.75
  6. Step 6: Final answer
    x = 297,974,287.57

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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.