Home / 352,314,808.40-528,472,212.60-261,615,544.40

Finding the Fourth Proportional to 352,314,808.40, 528,472,212.60 and 261,615,544.40

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Solution

The fourth proportional to 352,314,808.40, 528,472,212.60 and 261,615,544.40 is: 392,423,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,314,808.40 : 528,472,212.60 = 261,615,544.40 : x
  2. Step 2: Convert to fraction form
    352,314,808.40/528,472,212.60 = 261,615,544.40/x
  3. Step 3: Cross multiply
    352,314,808.40x = 528,472,212.60 × 261,615,544.40
  4. Step 4: Simplify right side
    352,314,808.40x = 138,256,545,599,621,552
  5. Step 5: Solve for x
    x = 138,256,545,599,621,552/352,314,808.40
  6. Step 6: Final answer
    x = 392,423,316.60

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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.