Home / 15,666,697,829.54-21,620,573,624.58-8,530,388,408.90

Finding the Fourth Proportional to 15,666,697,829.54, 21,620,573,624.58 and 8,530,388,408.90

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Solution

The fourth proportional to 15,666,697,829.54, 21,620,573,624.58 and 8,530,388,408.90 is: 11,772,224,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666,697,829.54 : 21,620,573,624.58 = 8,530,388,408.90 : x
  2. Step 2: Convert to fraction form
    15,666,697,829.54/21,620,573,624.58 = 8,530,388,408.90/x
  3. Step 3: Cross multiply
    15,666,697,829.54x = 21,620,573,624.58 × 8,530,388,408.90
  4. Step 4: Simplify right side
    15,666,697,829.54x = 184,431,890,640,886,300,672
  5. Step 5: Solve for x
    x = 184,431,890,640,886,300,672/15,666,697,829.54
  6. Step 6: Final answer
    x = 11,772,224,922.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.