Home / 420,184,284.55-579,903,494.31-349,495,180.66

Finding the Fourth Proportional to 420,184,284.55, 579,903,494.31 and 349,495,180.66

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Solution

The fourth proportional to 420,184,284.55, 579,903,494.31 and 349,495,180.66 is: 482,344,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,184,284.55 : 579,903,494.31 = 349,495,180.66 : x
  2. Step 2: Convert to fraction form
    420,184,284.55/579,903,494.31 = 349,495,180.66/x
  3. Step 3: Cross multiply
    420,184,284.55x = 579,903,494.31 × 349,495,180.66
  4. Step 4: Simplify right side
    420,184,284.55x = 202,673,476,509,238,720
  5. Step 5: Solve for x
    x = 202,673,476,509,238,720/420,184,284.55
  6. Step 6: Final answer
    x = 482,344,256.94

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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.