Home / 313,860,804.40-470,578,630.20-160,380,643.60

Finding the Fourth Proportional to 313,860,804.40, 470,578,630.20 and 160,380,643.60

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Solution

The fourth proportional to 313,860,804.40, 470,578,630.20 and 160,380,643.60 is: 240,462,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,860,804.40 : 470,578,630.20 = 160,380,643.60 : x
  2. Step 2: Convert to fraction form
    313,860,804.40/470,578,630.20 = 160,380,643.60/x
  3. Step 3: Cross multiply
    313,860,804.40x = 470,578,630.20 × 160,380,643.60
  4. Step 4: Simplify right side
    313,860,804.40x = 75,471,703,575,882,400
  5. Step 5: Solve for x
    x = 75,471,703,575,882,400/313,860,804.40
  6. Step 6: Final answer
    x = 240,462,340.37

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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.