Home / 340,580,320.80-510,870,481.20-149,477,344.80

Finding the Fourth Proportional to 340,580,320.80, 510,870,481.20 and 149,477,344.80

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Solution

The fourth proportional to 340,580,320.80, 510,870,481.20 and 149,477,344.80 is: 224,216,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,580,320.80 : 510,870,481.20 = 149,477,344.80 : x
  2. Step 2: Convert to fraction form
    340,580,320.80/510,870,481.20 = 149,477,344.80/x
  3. Step 3: Cross multiply
    340,580,320.80x = 510,870,481.20 × 149,477,344.80
  4. Step 4: Simplify right side
    340,580,320.80x = 76,363,563,066,474,320
  5. Step 5: Solve for x
    x = 76,363,563,066,474,320/340,580,320.80
  6. Step 6: Final answer
    x = 224,216,017.20

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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.