Home / 2,116,726,109.40-3,175,512,988.50-1,185,373,431.48

Finding the Fourth Proportional to 2,116,726,109.40, 3,175,512,988.50 and 1,185,373,431.48

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Solution

The fourth proportional to 2,116,726,109.40, 3,175,512,988.50 and 1,185,373,431.48 is: 1,778,297,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,726,109.40 : 3,175,512,988.50 = 1,185,373,431.48 : x
  2. Step 2: Convert to fraction form
    2,116,726,109.40/3,175,512,988.50 = 1,185,373,431.48/x
  3. Step 3: Cross multiply
    2,116,726,109.40x = 3,175,512,988.50 × 1,185,373,431.48
  4. Step 4: Simplify right side
    2,116,726,109.40x = 3,764,168,727,887,555,072
  5. Step 5: Solve for x
    x = 3,764,168,727,887,555,072/2,116,726,109.40
  6. Step 6: Final answer
    x = 1,778,297,490.25

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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.