Home / 847,747,887.31-1,169,893,054.38-471,396,394.65

Finding the Fourth Proportional to 847,747,887.31, 1,169,893,054.38 and 471,396,394.65

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Solution

The fourth proportional to 847,747,887.31, 1,169,893,054.38 and 471,396,394.65 is: 650,527,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,747,887.31 : 1,169,893,054.38 = 471,396,394.65 : x
  2. Step 2: Convert to fraction form
    847,747,887.31/1,169,893,054.38 = 471,396,394.65/x
  3. Step 3: Cross multiply
    847,747,887.31x = 1,169,893,054.38 × 471,396,394.65
  4. Step 4: Simplify right side
    847,747,887.31x = 551,483,367,958,451,392
  5. Step 5: Solve for x
    x = 551,483,367,958,451,392/847,747,887.31
  6. Step 6: Final answer
    x = 650,527,563.93

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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.