Home / 548,693,142.95-822,855,213.71-198,865,981.37

Finding the Fourth Proportional to 548,693,142.95, 822,855,213.71 and 198,865,981.37

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Solution

The fourth proportional to 548,693,142.95, 822,855,213.71 and 198,865,981.37 is: 298,232,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,693,142.95 : 822,855,213.71 = 198,865,981.37 : x
  2. Step 2: Convert to fraction form
    548,693,142.95/822,855,213.71 = 198,865,981.37/x
  3. Step 3: Cross multiply
    548,693,142.95x = 822,855,213.71 × 198,865,981.37
  4. Step 4: Simplify right side
    548,693,142.95x = 163,637,909,601,668,800
  5. Step 5: Solve for x
    x = 163,637,909,601,668,800/548,693,142.95
  6. Step 6: Final answer
    x = 298,232,102.41

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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.