Home / 352,405,202.40-528,607,803.60-261,705,938.40

Finding the Fourth Proportional to 352,405,202.40, 528,607,803.60 and 261,705,938.40

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Solution

The fourth proportional to 352,405,202.40, 528,607,803.60 and 261,705,938.40 is: 392,558,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,405,202.40 : 528,607,803.60 = 261,705,938.40 : x
  2. Step 2: Convert to fraction form
    352,405,202.40/528,607,803.60 = 261,705,938.40/x
  3. Step 3: Cross multiply
    352,405,202.40x = 528,607,803.60 × 261,705,938.40
  4. Step 4: Simplify right side
    352,405,202.40x = 138,339,801,286,700,912
  5. Step 5: Solve for x
    x = 138,339,801,286,700,912/352,405,202.40
  6. Step 6: Final answer
    x = 392,558,907.60

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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.