Home / 765,769,434.44-1,057,250,550.33-624,976,985.25

Finding the Fourth Proportional to 765,769,434.44, 1,057,250,550.33 and 624,976,985.25

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Solution

The fourth proportional to 765,769,434.44, 1,057,250,550.33 and 624,976,985.25 is: 862,867,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,769,434.44 : 1,057,250,550.33 = 624,976,985.25 : x
  2. Step 2: Convert to fraction form
    765,769,434.44/1,057,250,550.33 = 624,976,985.25/x
  3. Step 3: Cross multiply
    765,769,434.44x = 1,057,250,550.33 × 624,976,985.25
  4. Step 4: Simplify right side
    765,769,434.44x = 660,757,261,599,146,880
  5. Step 5: Solve for x
    x = 660,757,261,599,146,880/765,769,434.44
  6. Step 6: Final answer
    x = 862,867,113.63

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Double scale
Find fourth proportional to 765,769,435.44, 1,057,250,551.71 and 624,976,986.25
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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.