Home / 976,699,849.46-1,347,858,049.84-530,670,659.90

Finding the Fourth Proportional to 976,699,849.46, 1,347,858,049.84 and 530,670,659.90

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Solution

The fourth proportional to 976,699,849.46, 1,347,858,049.84 and 530,670,659.90 is: 732,332,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,699,849.46 : 1,347,858,049.84 = 530,670,659.90 : x
  2. Step 2: Convert to fraction form
    976,699,849.46/1,347,858,049.84 = 530,670,659.90/x
  3. Step 3: Cross multiply
    976,699,849.46x = 1,347,858,049.84 × 530,670,659.90
  4. Step 4: Simplify right side
    976,699,849.46x = 715,268,720,760,119,808
  5. Step 5: Solve for x
    x = 715,268,720,760,119,808/976,699,849.46
  6. Step 6: Final answer
    x = 732,332,170.58

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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.