Home / 313,860,832.40-470,578,672.20-160,380,671.60

Finding the Fourth Proportional to 313,860,832.40, 470,578,672.20 and 160,380,671.60

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Solution

The fourth proportional to 313,860,832.40, 470,578,672.20 and 160,380,671.60 is: 240,462,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,860,832.40 : 470,578,672.20 = 160,380,671.60 : x
  2. Step 2: Convert to fraction form
    313,860,832.40/470,578,672.20 = 160,380,671.60/x
  3. Step 3: Cross multiply
    313,860,832.40x = 470,578,672.20 × 160,380,671.60
  4. Step 4: Simplify right side
    313,860,832.40x = 75,471,723,488,072,240
  5. Step 5: Solve for x
    x = 75,471,723,488,072,240/313,860,832.40
  6. Step 6: Final answer
    x = 240,462,382.36

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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.