Home / 1,246,234,021.02-1,719,843,969.27-681,705,983.77

Finding the Fourth Proportional to 1,246,234,021.02, 1,719,843,969.27 and 681,705,983.77

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Solution

The fourth proportional to 1,246,234,021.02, 1,719,843,969.27 and 681,705,983.77 is: 940,776,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,234,021.02 : 1,719,843,969.27 = 681,705,983.77 : x
  2. Step 2: Convert to fraction form
    1,246,234,021.02/1,719,843,969.27 = 681,705,983.77/x
  3. Step 3: Cross multiply
    1,246,234,021.02x = 1,719,843,969.27 × 681,705,983.77
  4. Step 4: Simplify right side
    1,246,234,021.02x = 1,172,427,924,993,507,840
  5. Step 5: Solve for x
    x = 1,172,427,924,993,507,840/1,246,234,021.02
  6. Step 6: Final answer
    x = 940,776,696.21

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Double scale
Find fourth proportional to 1,246,234,022.02, 1,719,843,970.65 and 681,705,984.77
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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.