Home / 548,124,445.80-822,186,668.70-330,200,420.74

Finding the Fourth Proportional to 548,124,445.80, 822,186,668.70 and 330,200,420.74

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Solution

The fourth proportional to 548,124,445.80, 822,186,668.70 and 330,200,420.74 is: 495,300,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,124,445.80 : 822,186,668.70 = 330,200,420.74 : x
  2. Step 2: Convert to fraction form
    548,124,445.80/822,186,668.70 = 330,200,420.74/x
  3. Step 3: Cross multiply
    548,124,445.80x = 822,186,668.70 × 330,200,420.74
  4. Step 4: Simplify right side
    548,124,445.80x = 271,486,383,929,503,552
  5. Step 5: Solve for x
    x = 271,486,383,929,503,552/548,124,445.80
  6. Step 6: Final answer
    x = 495,300,631.11

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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.