Home / 1,180,186,202.34-1,628,870,202.81-703,907,135.46

Finding the Fourth Proportional to 1,180,186,202.34, 1,628,870,202.81 and 703,907,135.46

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Solution

The fourth proportional to 1,180,186,202.34, 1,628,870,202.81 and 703,907,135.46 is: 971,519,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,186,202.34 : 1,628,870,202.81 = 703,907,135.46 : x
  2. Step 2: Convert to fraction form
    1,180,186,202.34/1,628,870,202.81 = 703,907,135.46/x
  3. Step 3: Cross multiply
    1,180,186,202.34x = 1,628,870,202.81 × 703,907,135.46
  4. Step 4: Simplify right side
    1,180,186,202.34x = 1,146,573,358,496,136,320
  5. Step 5: Solve for x
    x = 1,146,573,358,496,136,320/1,180,186,202.34
  6. Step 6: Final answer
    x = 971,519,033.37

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Double scale
Find fourth proportional to 1,180,186,203.34, 1,628,870,204.19 and 703,907,136.46
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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.