Home / 917,435,202.87-1,266,019,739.13-535,992,593.25

Finding the Fourth Proportional to 917,435,202.87, 1,266,019,739.13 and 535,992,593.25

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Solution

The fourth proportional to 917,435,202.87, 1,266,019,739.13 and 535,992,593.25 is: 739,645,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,435,202.87 : 1,266,019,739.13 = 535,992,593.25 : x
  2. Step 2: Convert to fraction form
    917,435,202.87/1,266,019,739.13 = 535,992,593.25/x
  3. Step 3: Cross multiply
    917,435,202.87x = 1,266,019,739.13 × 535,992,593.25
  4. Step 4: Simplify right side
    917,435,202.87x = 678,577,203,081,977,216
  5. Step 5: Solve for x
    x = 678,577,203,081,977,216/917,435,202.87
  6. Step 6: Final answer
    x = 739,645,918.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.