Home / 3,578,414,352.91-4,938,246,114.06-1,970,905,791.81

Finding the Fourth Proportional to 3,578,414,352.91, 4,938,246,114.06 and 1,970,905,791.81

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Solution

The fourth proportional to 3,578,414,352.91, 4,938,246,114.06 and 1,970,905,791.81 is: 2,719,868,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,414,352.91 : 4,938,246,114.06 = 1,970,905,791.81 : x
  2. Step 2: Convert to fraction form
    3,578,414,352.91/4,938,246,114.06 = 1,970,905,791.81/x
  3. Step 3: Cross multiply
    3,578,414,352.91x = 4,938,246,114.06 × 1,970,905,791.81
  4. Step 4: Simplify right side
    3,578,414,352.91x = 9,732,817,867,584,079,872
  5. Step 5: Solve for x
    x = 9,732,817,867,584,079,872/3,578,414,352.91
  6. Step 6: Final answer
    x = 2,719,868,888.20

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Double scale
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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.