Home / 324,038,496.08-486,059,005.16-78,394,736.76

Finding the Fourth Proportional to 324,038,496.08, 486,059,005.16 and 78,394,736.76

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Solution

The fourth proportional to 324,038,496.08, 486,059,005.16 and 78,394,736.76 is: 117,592,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,038,496.08 : 486,059,005.16 = 78,394,736.76 : x
  2. Step 2: Convert to fraction form
    324,038,496.08/486,059,005.16 = 78,394,736.76/x
  3. Step 3: Cross multiply
    324,038,496.08x = 486,059,005.16 × 78,394,736.76
  4. Step 4: Simplify right side
    324,038,496.08x = 38,104,467,759,345,688
  5. Step 5: Solve for x
    x = 38,104,467,759,345,688/324,038,496.08
  6. Step 6: Final answer
    x = 117,592,410.22

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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.