Home / 559,710,305.78-772,647,929.80-361,568,433.56

Finding the Fourth Proportional to 559,710,305.78, 772,647,929.80 and 361,568,433.56

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Solution

The fourth proportional to 559,710,305.78, 772,647,929.80 and 361,568,433.56 is: 499,124,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,710,305.78 : 772,647,929.80 = 361,568,433.56 : x
  2. Step 2: Convert to fraction form
    559,710,305.78/772,647,929.80 = 361,568,433.56/x
  3. Step 3: Cross multiply
    559,710,305.78x = 772,647,929.80 × 361,568,433.56
  4. Step 4: Simplify right side
    559,710,305.78x = 279,365,101,666,395,680
  5. Step 5: Solve for x
    x = 279,365,101,666,395,680/559,710,305.78
  6. Step 6: Final answer
    x = 499,124,455.60

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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.