Home / 575,425,872.80-863,138,809.20-329,530,090.40

Finding the Fourth Proportional to 575,425,872.80, 863,138,809.20 and 329,530,090.40

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Solution

The fourth proportional to 575,425,872.80, 863,138,809.20 and 329,530,090.40 is: 494,295,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,425,872.80 : 863,138,809.20 = 329,530,090.40 : x
  2. Step 2: Convert to fraction form
    575,425,872.80/863,138,809.20 = 329,530,090.40/x
  3. Step 3: Cross multiply
    575,425,872.80x = 863,138,809.20 × 329,530,090.40
  4. Step 4: Simplify right side
    575,425,872.80x = 284,430,209,823,424,352
  5. Step 5: Solve for x
    x = 284,430,209,823,424,352/575,425,872.80
  6. Step 6: Final answer
    x = 494,295,135.60

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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.