Home / 12,305,529,614.34-18,436,101,406.47-7,575,619,683.78

Finding the Fourth Proportional to 12,305,529,614.34, 18,436,101,406.47 and 7,575,619,683.78

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Solution

The fourth proportional to 12,305,529,614.34, 18,436,101,406.47 and 7,575,619,683.78 is: 11,349,766,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,529,614.34 : 18,436,101,406.47 = 7,575,619,683.78 : x
  2. Step 2: Convert to fraction form
    12,305,529,614.34/18,436,101,406.47 = 7,575,619,683.78/x
  3. Step 3: Cross multiply
    12,305,529,614.34x = 18,436,101,406.47 × 7,575,619,683.78
  4. Step 4: Simplify right side
    12,305,529,614.34x = 139,664,892,707,018,276,864
  5. Step 5: Solve for x
    x = 139,664,892,707,018,276,864/12,305,529,614.34
  6. Step 6: Final answer
    x = 11,349,766,900.26

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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.