Home / 12,248,064,816.60-18,372,097,224.90-7,002,288,125.40

Finding the Fourth Proportional to 12,248,064,816.60, 18,372,097,224.90 and 7,002,288,125.40

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Solution

The fourth proportional to 12,248,064,816.60, 18,372,097,224.90 and 7,002,288,125.40 is: 10,503,432,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,064,816.60 : 18,372,097,224.90 = 7,002,288,125.40 : x
  2. Step 2: Convert to fraction form
    12,248,064,816.60/18,372,097,224.90 = 7,002,288,125.40/x
  3. Step 3: Cross multiply
    12,248,064,816.60x = 18,372,097,224.90 × 7,002,288,125.40
  4. Step 4: Simplify right side
    12,248,064,816.60x = 128,646,718,236,611,559,424
  5. Step 5: Solve for x
    x = 128,646,718,236,611,559,424/12,248,064,816.60
  6. Step 6: Final answer
    x = 10,503,432,188.10

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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.