Home / 416,427,275.68-620,917,946.56-404,986,264.36

Finding the Fourth Proportional to 416,427,275.68, 620,917,946.56 and 404,986,264.36

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Solution

The fourth proportional to 416,427,275.68, 620,917,946.56 and 404,986,264.36 is: 603,858,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,427,275.68 : 620,917,946.56 = 404,986,264.36 : x
  2. Step 2: Convert to fraction form
    416,427,275.68/620,917,946.56 = 404,986,264.36/x
  3. Step 3: Cross multiply
    416,427,275.68x = 620,917,946.56 × 404,986,264.36
  4. Step 4: Simplify right side
    416,427,275.68x = 251,463,239,650,370,464
  5. Step 5: Solve for x
    x = 251,463,239,650,370,464/416,427,275.68
  6. Step 6: Final answer
    x = 603,858,715.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.