Home / 531,705,912.80-797,558,869.20-289,841,208.80

Finding the Fourth Proportional to 531,705,912.80, 797,558,869.20 and 289,841,208.80

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Solution

The fourth proportional to 531,705,912.80, 797,558,869.20 and 289,841,208.80 is: 434,761,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,705,912.80 : 797,558,869.20 = 289,841,208.80 : x
  2. Step 2: Convert to fraction form
    531,705,912.80/797,558,869.20 = 289,841,208.80/x
  3. Step 3: Cross multiply
    531,705,912.80x = 797,558,869.20 × 289,841,208.80
  4. Step 4: Simplify right side
    531,705,912.80x = 231,165,426,738,089,120
  5. Step 5: Solve for x
    x = 231,165,426,738,089,120/531,705,912.80
  6. Step 6: Final answer
    x = 434,761,813.20

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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.