Home / 772,377,687.54-1,065,919,504.05-479,116,733.94

Finding the Fourth Proportional to 772,377,687.54, 1,065,919,504.05 and 479,116,733.94

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Solution

The fourth proportional to 772,377,687.54, 1,065,919,504.05 and 479,116,733.94 is: 661,204,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,377,687.54 : 1,065,919,504.05 = 479,116,733.94 : x
  2. Step 2: Convert to fraction form
    772,377,687.54/1,065,919,504.05 = 479,116,733.94/x
  3. Step 3: Cross multiply
    772,377,687.54x = 1,065,919,504.05 × 479,116,733.94
  4. Step 4: Simplify right side
    772,377,687.54x = 510,699,871,423,380,608
  5. Step 5: Solve for x
    x = 510,699,871,423,380,608/772,377,687.54
  6. Step 6: Final answer
    x = 661,204,847.92

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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.