Home / 1,146,002,066.90-1,719,003,100.35-328,114,367.90

Finding the Fourth Proportional to 1,146,002,066.90, 1,719,003,100.35 and 328,114,367.90

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Solution

The fourth proportional to 1,146,002,066.90, 1,719,003,100.35 and 328,114,367.90 is: 492,171,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,002,066.90 : 1,719,003,100.35 = 328,114,367.90 : x
  2. Step 2: Convert to fraction form
    1,146,002,066.90/1,719,003,100.35 = 328,114,367.90/x
  3. Step 3: Cross multiply
    1,146,002,066.90x = 1,719,003,100.35 × 328,114,367.90
  4. Step 4: Simplify right side
    1,146,002,066.90x = 564,029,615,689,480,448
  5. Step 5: Solve for x
    x = 564,029,615,689,480,448/1,146,002,066.90
  6. Step 6: Final answer
    x = 492,171,551.85

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Double scale
Find fourth proportional to 1,146,002,067.90, 1,719,003,101.85 and 328,114,368.90
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.