Home / 528,220,218.60-792,330,327.90-269,939,892.60

Finding the Fourth Proportional to 528,220,218.60, 792,330,327.90 and 269,939,892.60

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Solution

The fourth proportional to 528,220,218.60, 792,330,327.90 and 269,939,892.60 is: 404,909,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,220,218.60 : 792,330,327.90 = 269,939,892.60 : x
  2. Step 2: Convert to fraction form
    528,220,218.60/792,330,327.90 = 269,939,892.60/x
  3. Step 3: Cross multiply
    528,220,218.60x = 792,330,327.90 × 269,939,892.60
  4. Step 4: Simplify right side
    528,220,218.60x = 213,881,563,617,048,800
  5. Step 5: Solve for x
    x = 213,881,563,617,048,800/528,220,218.60
  6. Step 6: Final answer
    x = 404,909,838.90

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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.