Home / 340,857,212.80-510,987,220.80-204,596,809.60

Finding the Fourth Proportional to 340,857,212.80, 510,987,220.80 and 204,596,809.60

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Solution

The fourth proportional to 340,857,212.80, 510,987,220.80 and 204,596,809.60 is: 306,715,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,857,212.80 : 510,987,220.80 = 204,596,809.60 : x
  2. Step 2: Convert to fraction form
    340,857,212.80/510,987,220.80 = 204,596,809.60/x
  3. Step 3: Cross multiply
    340,857,212.80x = 510,987,220.80 × 204,596,809.60
  4. Step 4: Simplify right side
    340,857,212.80x = 104,546,355,122,050,752
  5. Step 5: Solve for x
    x = 104,546,355,122,050,752/340,857,212.80
  6. Step 6: Final answer
    x = 306,715,983.10

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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.