Home / 305,899,288.17-458,403,834.02-189,065,199.21

Finding the Fourth Proportional to 305,899,288.17, 458,403,834.02 and 189,065,199.21

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Solution

The fourth proportional to 305,899,288.17, 458,403,834.02 and 189,065,199.21 is: 283,322,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,899,288.17 : 458,403,834.02 = 189,065,199.21 : x
  2. Step 2: Convert to fraction form
    305,899,288.17/458,403,834.02 = 189,065,199.21/x
  3. Step 3: Cross multiply
    305,899,288.17x = 458,403,834.02 × 189,065,199.21
  4. Step 4: Simplify right side
    305,899,288.17x = 86,668,212,196,673,744
  5. Step 5: Solve for x
    x = 86,668,212,196,673,744/305,899,288.17
  6. Step 6: Final answer
    x = 283,322,699.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.