Home / 531,441,877.80-797,162,816.70-338,209,930.20

Finding the Fourth Proportional to 531,441,877.80, 797,162,816.70 and 338,209,930.20

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Solution

The fourth proportional to 531,441,877.80, 797,162,816.70 and 338,209,930.20 is: 507,314,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441,877.80 : 797,162,816.70 = 338,209,930.20 : x
  2. Step 2: Convert to fraction form
    531,441,877.80/797,162,816.70 = 338,209,930.20/x
  3. Step 3: Cross multiply
    531,441,877.80x = 797,162,816.70 × 338,209,930.20
  4. Step 4: Simplify right side
    531,441,877.80x = 269,608,380,594,142,400
  5. Step 5: Solve for x
    x = 269,608,380,594,142,400/531,441,877.80
  6. Step 6: Final answer
    x = 507,314,895.30

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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.