Home / 30,345,216,249.60-45,517,824,374.40-12,897,514,540.80

Finding the Fourth Proportional to 30,345,216,249.60, 45,517,824,374.40 and 12,897,514,540.80

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Solution

The fourth proportional to 30,345,216,249.60, 45,517,824,374.40 and 12,897,514,540.80 is: 19,346,271,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345,216,249.60 : 45,517,824,374.40 = 12,897,514,540.80 : x
  2. Step 2: Convert to fraction form
    30,345,216,249.60/45,517,824,374.40 = 12,897,514,540.80/x
  3. Step 3: Cross multiply
    30,345,216,249.60x = 45,517,824,374.40 × 12,897,514,540.80
  4. Step 4: Simplify right side
    30,345,216,249.60x = 587,066,801,734,404,669,440
  5. Step 5: Solve for x
    x = 587,066,801,734,404,669,440/30,345,216,249.60
  6. Step 6: Final answer
    x = 19,346,271,811.20

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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.