Home / 597,907,279.80-896,860,919.70-442,939,084.20

Finding the Fourth Proportional to 597,907,279.80, 896,860,919.70 and 442,939,084.20

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Solution

The fourth proportional to 597,907,279.80, 896,860,919.70 and 442,939,084.20 is: 664,408,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,907,279.80 : 896,860,919.70 = 442,939,084.20 : x
  2. Step 2: Convert to fraction form
    597,907,279.80/896,860,919.70 = 442,939,084.20/x
  3. Step 3: Cross multiply
    597,907,279.80x = 896,860,919.70 × 442,939,084.20
  4. Step 4: Simplify right side
    597,907,279.80x = 397,254,754,426,687,744
  5. Step 5: Solve for x
    x = 397,254,754,426,687,744/597,907,279.80
  6. Step 6: Final answer
    x = 664,408,626.30

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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.