Home / 858,396,186.10-1,184,615,349.69-482,119,082.29

Finding the Fourth Proportional to 858,396,186.10, 1,184,615,349.69 and 482,119,082.29

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Solution

The fourth proportional to 858,396,186.10, 1,184,615,349.69 and 482,119,082.29 is: 665,340,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,396,186.10 : 1,184,615,349.69 = 482,119,082.29 : x
  2. Step 2: Convert to fraction form
    858,396,186.10/1,184,615,349.69 = 482,119,082.29/x
  3. Step 3: Cross multiply
    858,396,186.10x = 1,184,615,349.69 × 482,119,082.29
  4. Step 4: Simplify right side
    858,396,186.10x = 571,125,665,259,190,272
  5. Step 5: Solve for x
    x = 571,125,665,259,190,272/858,396,186.10
  6. Step 6: Final answer
    x = 665,340,404.01

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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.