Home / 354,349,929.40-531,524,894.10-198,744,004.60

Finding the Fourth Proportional to 354,349,929.40, 531,524,894.10 and 198,744,004.60

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Solution

The fourth proportional to 354,349,929.40, 531,524,894.10 and 198,744,004.60 is: 298,116,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,349,929.40 : 531,524,894.10 = 198,744,004.60 : x
  2. Step 2: Convert to fraction form
    354,349,929.40/531,524,894.10 = 198,744,004.60/x
  3. Step 3: Cross multiply
    354,349,929.40x = 531,524,894.10 × 198,744,004.60
  4. Step 4: Simplify right side
    354,349,929.40x = 105,637,385,998,024,912
  5. Step 5: Solve for x
    x = 105,637,385,998,024,912/354,349,929.40
  6. Step 6: Final answer
    x = 298,116,006.90

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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.