Home / 511,692,931.67-706,136,240.72-276,743,585.39

Finding the Fourth Proportional to 511,692,931.67, 706,136,240.72 and 276,743,585.39

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Solution

The fourth proportional to 511,692,931.67, 706,136,240.72 and 276,743,585.39 is: 381,906,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,692,931.67 : 706,136,240.72 = 276,743,585.39 : x
  2. Step 2: Convert to fraction form
    511,692,931.67/706,136,240.72 = 276,743,585.39/x
  3. Step 3: Cross multiply
    511,692,931.67x = 706,136,240.72 × 276,743,585.39
  4. Step 4: Simplify right side
    511,692,931.67x = 195,418,675,029,285,184
  5. Step 5: Solve for x
    x = 195,418,675,029,285,184/511,692,931.67
  6. Step 6: Final answer
    x = 381,906,145.14

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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.