Home / 434,446,221.30-651,669,331.95-259,850,138.10

Finding the Fourth Proportional to 434,446,221.30, 651,669,331.95 and 259,850,138.10

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Solution

The fourth proportional to 434,446,221.30, 651,669,331.95 and 259,850,138.10 is: 389,775,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,446,221.30 : 651,669,331.95 = 259,850,138.10 : x
  2. Step 2: Convert to fraction form
    434,446,221.30/651,669,331.95 = 259,850,138.10/x
  3. Step 3: Cross multiply
    434,446,221.30x = 651,669,331.95 × 259,850,138.10
  4. Step 4: Simplify right side
    434,446,221.30x = 169,336,365,902,742,240
  5. Step 5: Solve for x
    x = 169,336,365,902,742,240/434,446,221.30
  6. Step 6: Final answer
    x = 389,775,207.15

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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.