Home / 12,615,385,922.40-18,923,078,883.60-5,253,440,037.60

Finding the Fourth Proportional to 12,615,385,922.40, 18,923,078,883.60 and 5,253,440,037.60

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Solution

The fourth proportional to 12,615,385,922.40, 18,923,078,883.60 and 5,253,440,037.60 is: 7,880,160,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,385,922.40 : 18,923,078,883.60 = 5,253,440,037.60 : x
  2. Step 2: Convert to fraction form
    12,615,385,922.40/18,923,078,883.60 = 5,253,440,037.60/x
  3. Step 3: Cross multiply
    12,615,385,922.40x = 18,923,078,883.60 × 5,253,440,037.60
  4. Step 4: Simplify right side
    12,615,385,922.40x = 99,411,260,241,767,350,272
  5. Step 5: Solve for x
    x = 99,411,260,241,767,350,272/12,615,385,922.40
  6. Step 6: Final answer
    x = 7,880,160,056.40

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Double scale
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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.