Home / 354,623,008.60-531,934,512.90-218,574,112.60

Finding the Fourth Proportional to 354,623,008.60, 531,934,512.90 and 218,574,112.60

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Solution

The fourth proportional to 354,623,008.60, 531,934,512.90 and 218,574,112.60 is: 327,861,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,623,008.60 : 531,934,512.90 = 218,574,112.60 : x
  2. Step 2: Convert to fraction form
    354,623,008.60/531,934,512.90 = 218,574,112.60/x
  3. Step 3: Cross multiply
    354,623,008.60x = 531,934,512.90 × 218,574,112.60
  4. Step 4: Simplify right side
    354,623,008.60x = 116,267,114,118,430,752
  5. Step 5: Solve for x
    x = 116,267,114,118,430,752/354,623,008.60
  6. Step 6: Final answer
    x = 327,861,168.90

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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.