Home / 370,701,980.85-511,534,923.48-219,968,664.29

Finding the Fourth Proportional to 370,701,980.85, 511,534,923.48 and 219,968,664.29

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Solution

The fourth proportional to 370,701,980.85, 511,534,923.48 and 219,968,664.29 is: 303,536,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,701,980.85 : 511,534,923.48 = 219,968,664.29 : x
  2. Step 2: Convert to fraction form
    370,701,980.85/511,534,923.48 = 219,968,664.29/x
  3. Step 3: Cross multiply
    370,701,980.85x = 511,534,923.48 × 219,968,664.29
  4. Step 4: Simplify right side
    370,701,980.85x = 112,521,653,853,025,280
  5. Step 5: Solve for x
    x = 112,521,653,853,025,280/370,701,980.85
  6. Step 6: Final answer
    x = 303,536,694.34

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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.