Home / 708,588,001.80-1,062,882,002.70-345,790,945.80

Finding the Fourth Proportional to 708,588,001.80, 1,062,882,002.70 and 345,790,945.80

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Solution

The fourth proportional to 708,588,001.80, 1,062,882,002.70 and 345,790,945.80 is: 518,686,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,001.80 : 1,062,882,002.70 = 345,790,945.80 : x
  2. Step 2: Convert to fraction form
    708,588,001.80/1,062,882,002.70 = 345,790,945.80/x
  3. Step 3: Cross multiply
    708,588,001.80x = 1,062,882,002.70 × 345,790,945.80
  4. Step 4: Simplify right side
    708,588,001.80x = 367,534,972,987,431,168
  5. Step 5: Solve for x
    x = 367,534,972,987,431,168/708,588,001.80
  6. Step 6: Final answer
    x = 518,686,418.70

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Double scale
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Similar ratio
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1.5x scale

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.