Home / 370,424,535.77-511,138,738.65-211,664,926.44

Finding the Fourth Proportional to 370,424,535.77, 511,138,738.65 and 211,664,926.44

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Solution

The fourth proportional to 370,424,535.77, 511,138,738.65 and 211,664,926.44 is: 292,070,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,424,535.77 : 511,138,738.65 = 211,664,926.44 : x
  2. Step 2: Convert to fraction form
    370,424,535.77/511,138,738.65 = 211,664,926.44/x
  3. Step 3: Cross multiply
    370,424,535.77x = 511,138,738.65 × 211,664,926.44
  4. Step 4: Simplify right side
    370,424,535.77x = 108,190,143,516,584,480
  5. Step 5: Solve for x
    x = 108,190,143,516,584,480/370,424,535.77
  6. Step 6: Final answer
    x = 292,070,673.16

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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.