Home / 1,153,007,585.51-1,729,153,679.72-415,981,679.38

Finding the Fourth Proportional to 1,153,007,585.51, 1,729,153,679.72 and 415,981,679.38

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Solution

The fourth proportional to 1,153,007,585.51, 1,729,153,679.72 and 415,981,679.38 is: 623,843,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,007,585.51 : 1,729,153,679.72 = 415,981,679.38 : x
  2. Step 2: Convert to fraction form
    1,153,007,585.51/1,729,153,679.72 = 415,981,679.38/x
  3. Step 3: Cross multiply
    1,153,007,585.51x = 1,729,153,679.72 × 415,981,679.38
  4. Step 4: Simplify right side
    1,153,007,585.51x = 719,296,251,596,032,256
  5. Step 5: Solve for x
    x = 719,296,251,596,032,256/1,153,007,585.51
  6. Step 6: Final answer
    x = 623,843,468.71

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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.