Home / 858,396,186.60-1,184,615,350.38-482,119,082.79

Finding the Fourth Proportional to 858,396,186.60, 1,184,615,350.38 and 482,119,082.79

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Solution

The fourth proportional to 858,396,186.60, 1,184,615,350.38 and 482,119,082.79 is: 665,340,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,396,186.60 : 1,184,615,350.38 = 482,119,082.79 : x
  2. Step 2: Convert to fraction form
    858,396,186.60/1,184,615,350.38 = 482,119,082.79/x
  3. Step 3: Cross multiply
    858,396,186.60x = 1,184,615,350.38 × 482,119,082.79
  4. Step 4: Simplify right side
    858,396,186.60x = 571,125,666,184,160,128
  5. Step 5: Solve for x
    x = 571,125,666,184,160,128/858,396,186.60
  6. Step 6: Final answer
    x = 665,340,404.70

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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.