Home / 695,297,000.80-1,042,945,501.20-372,810,728.80

Finding the Fourth Proportional to 695,297,000.80, 1,042,945,501.20 and 372,810,728.80

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Solution

The fourth proportional to 695,297,000.80, 1,042,945,501.20 and 372,810,728.80 is: 559,216,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,297,000.80 : 1,042,945,501.20 = 372,810,728.80 : x
  2. Step 2: Convert to fraction form
    695,297,000.80/1,042,945,501.20 = 372,810,728.80/x
  3. Step 3: Cross multiply
    695,297,000.80x = 1,042,945,501.20 × 372,810,728.80
  4. Step 4: Simplify right side
    695,297,000.80x = 388,821,272,401,053,312
  5. Step 5: Solve for x
    x = 388,821,272,401,053,312/695,297,000.80
  6. Step 6: Final answer
    x = 559,216,093.20

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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.