Home / 345,285,748.56-476,488,701.99-188,649,484.32

Finding the Fourth Proportional to 345,285,748.56, 476,488,701.99 and 188,649,484.32

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Solution

The fourth proportional to 345,285,748.56, 476,488,701.99 and 188,649,484.32 is: 260,333,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,285,748.56 : 476,488,701.99 = 188,649,484.32 : x
  2. Step 2: Convert to fraction form
    345,285,748.56/476,488,701.99 = 188,649,484.32/x
  3. Step 3: Cross multiply
    345,285,748.56x = 476,488,701.99 × 188,649,484.32
  4. Step 4: Simplify right side
    345,285,748.56x = 89,889,347,914,719,664
  5. Step 5: Solve for x
    x = 89,889,347,914,719,664/345,285,748.56
  6. Step 6: Final answer
    x = 260,333,211.81

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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.