Home / 681,056,623.01-939,858,134.21-367,790,809.30

Finding the Fourth Proportional to 681,056,623.01, 939,858,134.21 and 367,790,809.30

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Solution

The fourth proportional to 681,056,623.01, 939,858,134.21 and 367,790,809.30 is: 507,551,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,056,623.01 : 939,858,134.21 = 367,790,809.30 : x
  2. Step 2: Convert to fraction form
    681,056,623.01/939,858,134.21 = 367,790,809.30/x
  3. Step 3: Cross multiply
    681,056,623.01x = 939,858,134.21 × 367,790,809.30
  4. Step 4: Simplify right side
    681,056,623.01x = 345,671,183,808,998,976
  5. Step 5: Solve for x
    x = 345,671,183,808,998,976/681,056,623.01
  6. Step 6: Final answer
    x = 507,551,313.84

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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.