Home / 386,606,002.08-533,628,705.83-252,664,067.68

Finding the Fourth Proportional to 386,606,002.08, 533,628,705.83 and 252,664,067.68

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Solution

The fourth proportional to 386,606,002.08, 533,628,705.83 and 252,664,067.68 is: 348,749,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,606,002.08 : 533,628,705.83 = 252,664,067.68 : x
  2. Step 2: Convert to fraction form
    386,606,002.08/533,628,705.83 = 252,664,067.68/x
  3. Step 3: Cross multiply
    386,606,002.08x = 533,628,705.83 × 252,664,067.68
  4. Step 4: Simplify right side
    386,606,002.08x = 134,828,799,443,153,792
  5. Step 5: Solve for x
    x = 134,828,799,443,153,792/386,606,002.08
  6. Step 6: Final answer
    x = 348,749,886.75

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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.