Home / 597,907,315.80-896,860,973.70-442,939,120.20

Finding the Fourth Proportional to 597,907,315.80, 896,860,973.70 and 442,939,120.20

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Solution

The fourth proportional to 597,907,315.80, 896,860,973.70 and 442,939,120.20 is: 664,408,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,907,315.80 : 896,860,973.70 = 442,939,120.20 : x
  2. Step 2: Convert to fraction form
    597,907,315.80/896,860,973.70 = 442,939,120.20/x
  3. Step 3: Cross multiply
    597,907,315.80x = 896,860,973.70 × 442,939,120.20
  4. Step 4: Simplify right side
    597,907,315.80x = 397,254,810,632,393,344
  5. Step 5: Solve for x
    x = 397,254,810,632,393,344/597,907,315.80
  6. Step 6: Final answer
    x = 664,408,680.30

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Double scale
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Similar ratio
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1.5x scale

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.