Home / 849,961,720.82-1,273,975,458.96-517,234,888.10

Finding the Fourth Proportional to 849,961,720.82, 1,273,975,458.96 and 517,234,888.10

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Solution

The fourth proportional to 849,961,720.82, 1,273,975,458.96 and 517,234,888.10 is: 775,263,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,961,720.82 : 1,273,975,458.96 = 517,234,888.10 : x
  2. Step 2: Convert to fraction form
    849,961,720.82/1,273,975,458.96 = 517,234,888.10/x
  3. Step 3: Cross multiply
    849,961,720.82x = 1,273,975,458.96 × 517,234,888.10
  4. Step 4: Simplify right side
    849,961,720.82x = 658,944,553,957,321,856
  5. Step 5: Solve for x
    x = 658,944,553,957,321,856/849,961,720.82
  6. Step 6: Final answer
    x = 775,263,800.49

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Double scale
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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.