Home / 550,364,666.40-825,546,999.60-508,274,539.20

Finding the Fourth Proportional to 550,364,666.40, 825,546,999.60 and 508,274,539.20

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Solution

The fourth proportional to 550,364,666.40, 825,546,999.60 and 508,274,539.20 is: 762,411,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,364,666.40 : 825,546,999.60 = 508,274,539.20 : x
  2. Step 2: Convert to fraction form
    550,364,666.40/825,546,999.60 = 508,274,539.20/x
  3. Step 3: Cross multiply
    550,364,666.40x = 825,546,999.60 × 508,274,539.20
  4. Step 4: Simplify right side
    550,364,666.40x = 419,604,520,809,632,576
  5. Step 5: Solve for x
    x = 419,604,520,809,632,576/550,364,666.40
  6. Step 6: Final answer
    x = 762,411,808.80

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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.