Home / 439,769,946.90-659,729,569.95-133,059,623.70

Finding the Fourth Proportional to 439,769,946.90, 659,729,569.95 and 133,059,623.70

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Solution

The fourth proportional to 439,769,946.90, 659,729,569.95 and 133,059,623.70 is: 199,612,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,769,946.90 : 659,729,569.95 = 133,059,623.70 : x
  2. Step 2: Convert to fraction form
    439,769,946.90/659,729,569.95 = 133,059,623.70/x
  3. Step 3: Cross multiply
    439,769,946.90x = 659,729,569.95 × 133,059,623.70
  4. Step 4: Simplify right side
    439,769,946.90x = 87,783,368,321,309,840
  5. Step 5: Solve for x
    x = 87,783,368,321,309,840/439,769,946.90
  6. Step 6: Final answer
    x = 199,612,022.01

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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.