Home / 1,146,006,223.20-1,719,009,334.80-409,428,997.20

Finding the Fourth Proportional to 1,146,006,223.20, 1,719,009,334.80 and 409,428,997.20

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Solution

The fourth proportional to 1,146,006,223.20, 1,719,009,334.80 and 409,428,997.20 is: 614,143,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,006,223.20 : 1,719,009,334.80 = 409,428,997.20 : x
  2. Step 2: Convert to fraction form
    1,146,006,223.20/1,719,009,334.80 = 409,428,997.20/x
  3. Step 3: Cross multiply
    1,146,006,223.20x = 1,719,009,334.80 × 409,428,997.20
  4. Step 4: Simplify right side
    1,146,006,223.20x = 703,812,268,124,603,008
  5. Step 5: Solve for x
    x = 703,812,268,124,603,008/1,146,006,223.20
  6. Step 6: Final answer
    x = 614,143,495.80

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Double scale
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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.