Home / 345,786,166.15-477,188,695.33-189,153,274.68

Finding the Fourth Proportional to 345,786,166.15, 477,188,695.33 and 189,153,274.68

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Solution

The fourth proportional to 345,786,166.15, 477,188,695.33 and 189,153,274.68 is: 261,033,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,786,166.15 : 477,188,695.33 = 189,153,274.68 : x
  2. Step 2: Convert to fraction form
    345,786,166.15/477,188,695.33 = 189,153,274.68/x
  3. Step 3: Cross multiply
    345,786,166.15x = 477,188,695.33 × 189,153,274.68
  4. Step 4: Simplify right side
    345,786,166.15x = 90,261,804,361,473,440
  5. Step 5: Solve for x
    x = 90,261,804,361,473,440/345,786,166.15
  6. Step 6: Final answer
    x = 261,033,590.11

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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.