Home / 452,860,906.80-679,291,360.20-398,335,060.20

Finding the Fourth Proportional to 452,860,906.80, 679,291,360.20 and 398,335,060.20

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Solution

The fourth proportional to 452,860,906.80, 679,291,360.20 and 398,335,060.20 is: 597,502,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,860,906.80 : 679,291,360.20 = 398,335,060.20 : x
  2. Step 2: Convert to fraction form
    452,860,906.80/679,291,360.20 = 398,335,060.20/x
  3. Step 3: Cross multiply
    452,860,906.80x = 679,291,360.20 × 398,335,060.20
  4. Step 4: Simplify right side
    452,860,906.80x = 270,585,564,858,606,880
  5. Step 5: Solve for x
    x = 270,585,564,858,606,880/452,860,906.80
  6. Step 6: Final answer
    x = 597,502,590.30

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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.