Home / 1,153,007,584.51-1,729,153,678.22-415,981,678.38

Finding the Fourth Proportional to 1,153,007,584.51, 1,729,153,678.22 and 415,981,678.38

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Solution

The fourth proportional to 1,153,007,584.51, 1,729,153,678.22 and 415,981,678.38 is: 623,843,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,007,584.51 : 1,729,153,678.22 = 415,981,678.38 : x
  2. Step 2: Convert to fraction form
    1,153,007,584.51/1,729,153,678.22 = 415,981,678.38/x
  3. Step 3: Cross multiply
    1,153,007,584.51x = 1,729,153,678.22 × 415,981,678.38
  4. Step 4: Simplify right side
    1,153,007,584.51x = 719,296,249,238,269,312
  5. Step 5: Solve for x
    x = 719,296,249,238,269,312/1,153,007,584.51
  6. Step 6: Final answer
    x = 623,843,467.21

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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.