Home / 848,192,755.10-1,272,289,132.65-686,949,619.10

Finding the Fourth Proportional to 848,192,755.10, 1,272,289,132.65 and 686,949,619.10

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Solution

The fourth proportional to 848,192,755.10, 1,272,289,132.65 and 686,949,619.10 is: 1,030,424,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,192,755.10 : 1,272,289,132.65 = 686,949,619.10 : x
  2. Step 2: Convert to fraction form
    848,192,755.10/1,272,289,132.65 = 686,949,619.10/x
  3. Step 3: Cross multiply
    848,192,755.10x = 1,272,289,132.65 × 686,949,619.10
  4. Step 4: Simplify right side
    848,192,755.10x = 873,998,535,058,987,008
  5. Step 5: Solve for x
    x = 873,998,535,058,987,008/848,192,755.10
  6. Step 6: Final answer
    x = 1,030,424,428.65

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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.