Home / 392,552,701.72-541,722,731.42-216,340,699.06

Finding the Fourth Proportional to 392,552,701.72, 541,722,731.42 and 216,340,699.06

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Solution

The fourth proportional to 392,552,701.72, 541,722,731.42 and 216,340,699.06 is: 298,550,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,552,701.72 : 541,722,731.42 = 216,340,699.06 : x
  2. Step 2: Convert to fraction form
    392,552,701.72/541,722,731.42 = 216,340,699.06/x
  3. Step 3: Cross multiply
    392,552,701.72x = 541,722,731.42 × 216,340,699.06
  4. Step 4: Simplify right side
    392,552,701.72x = 117,196,674,412,095,424
  5. Step 5: Solve for x
    x = 117,196,674,412,095,424/392,552,701.72
  6. Step 6: Final answer
    x = 298,550,166.38

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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.