Home / 1,970,564,804.40-2,719,386,633.96-1,066,320,743.64

Finding the Fourth Proportional to 1,970,564,804.40, 2,719,386,633.96 and 1,066,320,743.64

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Solution

The fourth proportional to 1,970,564,804.40, 2,719,386,633.96 and 1,066,320,743.64 is: 1,471,526,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,564,804.40 : 2,719,386,633.96 = 1,066,320,743.64 : x
  2. Step 2: Convert to fraction form
    1,970,564,804.40/2,719,386,633.96 = 1,066,320,743.64/x
  3. Step 3: Cross multiply
    1,970,564,804.40x = 2,719,386,633.96 × 1,066,320,743.64
  4. Step 4: Simplify right side
    1,970,564,804.40x = 2,899,738,377,768,903,680
  5. Step 5: Solve for x
    x = 2,899,738,377,768,903,680/1,970,564,804.40
  6. Step 6: Final answer
    x = 1,471,526,524.42

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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.