Home / 550,639,926.60-825,959,889.90-243,606,121.80

Finding the Fourth Proportional to 550,639,926.60, 825,959,889.90 and 243,606,121.80

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Solution

The fourth proportional to 550,639,926.60, 825,959,889.90 and 243,606,121.80 is: 365,409,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,639,926.60 : 825,959,889.90 = 243,606,121.80 : x
  2. Step 2: Convert to fraction form
    550,639,926.60/825,959,889.90 = 243,606,121.80/x
  3. Step 3: Cross multiply
    550,639,926.60x = 825,959,889.90 × 243,606,121.80
  4. Step 4: Simplify right side
    550,639,926.60x = 201,208,885,540,893,984
  5. Step 5: Solve for x
    x = 201,208,885,540,893,984/550,639,926.60
  6. Step 6: Final answer
    x = 365,409,182.70

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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.