Home / 313,860,809.40-470,578,637.70-160,380,648.60

Finding the Fourth Proportional to 313,860,809.40, 470,578,637.70 and 160,380,648.60

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Solution

The fourth proportional to 313,860,809.40, 470,578,637.70 and 160,380,648.60 is: 240,462,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,860,809.40 : 470,578,637.70 = 160,380,648.60 : x
  2. Step 2: Convert to fraction form
    313,860,809.40/470,578,637.70 = 160,380,648.60/x
  3. Step 3: Cross multiply
    313,860,809.40x = 470,578,637.70 × 160,380,648.60
  4. Step 4: Simplify right side
    313,860,809.40x = 75,471,707,131,630,400
  5. Step 5: Solve for x
    x = 75,471,707,131,630,400/313,860,809.40
  6. Step 6: Final answer
    x = 240,462,347.87

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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.