Home / 561,445,443.41-774,742,716.24-310,544,436.52

Finding the Fourth Proportional to 561,445,443.41, 774,742,716.24 and 310,544,436.52

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Solution

The fourth proportional to 561,445,443.41, 774,742,716.24 and 310,544,436.52 is: 428,522,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,445,443.41 : 774,742,716.24 = 310,544,436.52 : x
  2. Step 2: Convert to fraction form
    561,445,443.41/774,742,716.24 = 310,544,436.52/x
  3. Step 3: Cross multiply
    561,445,443.41x = 774,742,716.24 × 310,544,436.52
  4. Step 4: Simplify right side
    561,445,443.41x = 240,592,040,258,851,328
  5. Step 5: Solve for x
    x = 240,592,040,258,851,328/561,445,443.41
  6. Step 6: Final answer
    x = 428,522,562.76

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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.