Home / 30,678,684,067.72-45,977,344,290.60-15,755,246,831.44

Finding the Fourth Proportional to 30,678,684,067.72, 45,977,344,290.60 and 15,755,246,831.44

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Solution

The fourth proportional to 30,678,684,067.72, 45,977,344,290.60 and 15,755,246,831.44 is: 23,611,977,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,678,684,067.72 : 45,977,344,290.60 = 15,755,246,831.44 : x
  2. Step 2: Convert to fraction form
    30,678,684,067.72/45,977,344,290.60 = 15,755,246,831.44/x
  3. Step 3: Cross multiply
    30,678,684,067.72x = 45,977,344,290.60 × 15,755,246,831.44
  4. Step 4: Simplify right side
    30,678,684,067.72x = 724,384,407,952,501,637,120
  5. Step 5: Solve for x
    x = 724,384,407,952,501,637,120/30,678,684,067.72
  6. Step 6: Final answer
    x = 23,611,977,826.48

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1.5x scale

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.