Home / 1,146,006,066.70-1,719,009,100.05-409,428,840.70

Finding the Fourth Proportional to 1,146,006,066.70, 1,719,009,100.05 and 409,428,840.70

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Solution

The fourth proportional to 1,146,006,066.70, 1,719,009,100.05 and 409,428,840.70 is: 614,143,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,006,066.70 : 1,719,009,100.05 = 409,428,840.70 : x
  2. Step 2: Convert to fraction form
    1,146,006,066.70/1,719,009,100.05 = 409,428,840.70/x
  3. Step 3: Cross multiply
    1,146,006,066.70x = 1,719,009,100.05 × 409,428,840.70
  4. Step 4: Simplify right side
    1,146,006,066.70x = 703,811,902,986,221,824
  5. Step 5: Solve for x
    x = 703,811,902,986,221,824/1,146,006,066.70
  6. Step 6: Final answer
    x = 614,143,261.05

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Double scale
Find fourth proportional to 1,146,006,067.70, 1,719,009,101.55 and 409,428,841.70
Similar ratio
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1.5x scale

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.