Home / 587,140,724.79-810,257,403.42-345,747,231.81

Finding the Fourth Proportional to 587,140,724.79, 810,257,403.42 and 345,747,231.81

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Solution

The fourth proportional to 587,140,724.79, 810,257,403.42 and 345,747,231.81 is: 477,133,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,140,724.79 : 810,257,403.42 = 345,747,231.81 : x
  2. Step 2: Convert to fraction form
    587,140,724.79/810,257,403.42 = 345,747,231.81/x
  3. Step 3: Cross multiply
    587,140,724.79x = 810,257,403.42 × 345,747,231.81
  4. Step 4: Simplify right side
    587,140,724.79x = 280,144,254,286,023,424
  5. Step 5: Solve for x
    x = 280,144,254,286,023,424/587,140,724.79
  6. Step 6: Final answer
    x = 477,133,066.16

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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.