Home / 1,180,461,805.25-1,628,448,903.05-703,816,013.70

Finding the Fourth Proportional to 1,180,461,805.25, 1,628,448,903.05 and 703,816,013.70

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Solution

The fourth proportional to 1,180,461,805.25, 1,628,448,903.05 and 703,816,013.70 is: 970,915,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,461,805.25 : 1,628,448,903.05 = 703,816,013.70 : x
  2. Step 2: Convert to fraction form
    1,180,461,805.25/1,628,448,903.05 = 703,816,013.70/x
  3. Step 3: Cross multiply
    1,180,461,805.25x = 1,628,448,903.05 × 703,816,013.70
  4. Step 4: Simplify right side
    1,180,461,805.25x = 1,146,128,415,455,269,760
  5. Step 5: Solve for x
    x = 1,146,128,415,455,269,760/1,180,461,805.25
  6. Step 6: Final answer
    x = 970,915,289.56

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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.