Home / 7,365,600,736.50-10,164,533,093.88-3,978,510,008.76

Finding the Fourth Proportional to 7,365,600,736.50, 10,164,533,093.88 and 3,978,510,008.76

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Solution

The fourth proportional to 7,365,600,736.50, 10,164,533,093.88 and 3,978,510,008.76 is: 5,490,346,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365,600,736.50 : 10,164,533,093.88 = 3,978,510,008.76 : x
  2. Step 2: Convert to fraction form
    7,365,600,736.50/10,164,533,093.88 = 3,978,510,008.76/x
  3. Step 3: Cross multiply
    7,365,600,736.50x = 10,164,533,093.88 × 3,978,510,008.76
  4. Step 4: Simplify right side
    7,365,600,736.50x = 40,439,696,648,373,829,632
  5. Step 5: Solve for x
    x = 40,439,696,648,373,829,632/7,365,600,736.50
  6. Step 6: Final answer
    x = 5,490,346,014.55

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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.