Home / 340,993,028.40-511,153,619.40-168,496,465.20

Finding the Fourth Proportional to 340,993,028.40, 511,153,619.40 and 168,496,465.20

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Solution

The fourth proportional to 340,993,028.40, 511,153,619.40 and 168,496,465.20 is: 252,578,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,993,028.40 : 511,153,619.40 = 168,496,465.20 : x
  2. Step 2: Convert to fraction form
    340,993,028.40/511,153,619.40 = 168,496,465.20/x
  3. Step 3: Cross multiply
    340,993,028.40x = 511,153,619.40 × 168,496,465.20
  4. Step 4: Simplify right side
    340,993,028.40x = 86,127,578,043,086,128
  5. Step 5: Solve for x
    x = 86,127,578,043,086,128/340,993,028.40
  6. Step 6: Final answer
    x = 252,578,706.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.