Home / 1,253,244,629.61-1,879,929,386-476,950,455.72

Finding the Fourth Proportional to 1,253,244,629.61, 1,879,929,386 and 476,950,455.72

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Solution

The fourth proportional to 1,253,244,629.61, 1,879,929,386 and 476,950,455.72 is: 715,449,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,244,629.61 : 1,879,929,386 = 476,950,455.72 : x
  2. Step 2: Convert to fraction form
    1,253,244,629.61/1,879,929,386 = 476,950,455.72/x
  3. Step 3: Cross multiply
    1,253,244,629.61x = 1,879,929,386 × 476,950,455.72
  4. Step 4: Simplify right side
    1,253,244,629.61x = 896,633,177,374,119,808
  5. Step 5: Solve for x
    x = 896,633,177,374,119,808/1,253,244,629.61
  6. Step 6: Final answer
    x = 715,449,447.13

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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.