Home / 649,954,050,561.78-974,769,969,074.53-219,681,569,591.86

Finding the Fourth Proportional to 649,954,050,561.78, 974,769,969,074.53 and 219,681,569,591.86

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Solution

The fourth proportional to 649,954,050,561.78, 974,769,969,074.53 and 219,681,569,591.86 is: 329,467,901,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,954,050,561.78 : 974,769,969,074.53 = 219,681,569,591.86 : x
  2. Step 2: Convert to fraction form
    649,954,050,561.78/974,769,969,074.53 = 219,681,569,591.86/x
  3. Step 3: Cross multiply
    649,954,050,561.78x = 974,769,969,074.53 × 219,681,569,591.86
  4. Step 4: Simplify right side
    649,954,050,561.78x = 214,138,996,797,301,590,065,152
  5. Step 5: Solve for x
    x = 214,138,996,797,301,590,065,152/649,954,050,561.78
  6. Step 6: Final answer
    x = 329,467,901,018.87

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Double scale
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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.