Home / 1,146,006,072.70-1,719,009,109.05-409,428,846.70

Finding the Fourth Proportional to 1,146,006,072.70, 1,719,009,109.05 and 409,428,846.70

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Solution

The fourth proportional to 1,146,006,072.70, 1,719,009,109.05 and 409,428,846.70 is: 614,143,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,006,072.70 : 1,719,009,109.05 = 409,428,846.70 : x
  2. Step 2: Convert to fraction form
    1,146,006,072.70/1,719,009,109.05 = 409,428,846.70/x
  3. Step 3: Cross multiply
    1,146,006,072.70x = 1,719,009,109.05 × 409,428,846.70
  4. Step 4: Simplify right side
    1,146,006,072.70x = 703,811,916,985,136,000
  5. Step 5: Solve for x
    x = 703,811,916,985,136,000/1,146,006,072.70
  6. Step 6: Final answer
    x = 614,143,270.05

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Double scale
Find fourth proportional to 1,146,006,073.70, 1,719,009,110.55 and 409,428,847.70
Similar ratio
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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.