Home / 12,305,529,613.84-18,436,101,405.72-7,575,619,683.28

Finding the Fourth Proportional to 12,305,529,613.84, 18,436,101,405.72 and 7,575,619,683.28

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Solution

The fourth proportional to 12,305,529,613.84, 18,436,101,405.72 and 7,575,619,683.28 is: 11,349,766,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,529,613.84 : 18,436,101,405.72 = 7,575,619,683.28 : x
  2. Step 2: Convert to fraction form
    12,305,529,613.84/18,436,101,405.72 = 7,575,619,683.28/x
  3. Step 3: Cross multiply
    12,305,529,613.84x = 18,436,101,405.72 × 7,575,619,683.28
  4. Step 4: Simplify right side
    12,305,529,613.84x = 139,664,892,692,118,519,808
  5. Step 5: Solve for x
    x = 139,664,892,692,118,519,808/12,305,529,613.84
  6. Step 6: Final answer
    x = 11,349,766,899.51

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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.