Home / 278,284,146.24-384,067,551.12-168,276,646.56

Finding the Fourth Proportional to 278,284,146.24, 384,067,551.12 and 168,276,646.56

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Solution

The fourth proportional to 278,284,146.24, 384,067,551.12 and 168,276,646.56 is: 232,243,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,284,146.24 : 384,067,551.12 = 168,276,646.56 : x
  2. Step 2: Convert to fraction form
    278,284,146.24/384,067,551.12 = 168,276,646.56/x
  3. Step 3: Cross multiply
    278,284,146.24x = 384,067,551.12 × 168,276,646.56
  4. Step 4: Simplify right side
    278,284,146.24x = 64,629,599,554,984,976
  5. Step 5: Solve for x
    x = 64,629,599,554,984,976/278,284,146.24
  6. Step 6: Final answer
    x = 232,243,196.13

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1.5x scale

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.