Home / 21,403,701,593.28-32,109,686,949.60-8,137,928,433.60

Finding the Fourth Proportional to 21,403,701,593.28, 32,109,686,949.60 and 8,137,928,433.60

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Solution

The fourth proportional to 21,403,701,593.28, 32,109,686,949.60 and 8,137,928,433.60 is: 12,208,464,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403,701,593.28 : 32,109,686,949.60 = 8,137,928,433.60 : x
  2. Step 2: Convert to fraction form
    21,403,701,593.28/32,109,686,949.60 = 8,137,928,433.60/x
  3. Step 3: Cross multiply
    21,403,701,593.28x = 32,109,686,949.60 × 8,137,928,433.60
  4. Step 4: Simplify right side
    21,403,701,593.28x = 261,306,334,421,144,698,880
  5. Step 5: Solve for x
    x = 261,306,334,421,144,698,880/21,403,701,593.28
  6. Step 6: Final answer
    x = 12,208,464,656.56

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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.