Home / 540,016,109,076.93-745,153,736,128.56-296,081,387,007.09

Finding the Fourth Proportional to 540,016,109,076.93, 745,153,736,128.56 and 296,081,387,007.09

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Solution

The fourth proportional to 540,016,109,076.93, 745,153,736,128.56 and 296,081,387,007.09 is: 408,554,759,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,016,109,076.93 : 745,153,736,128.56 = 296,081,387,007.09 : x
  2. Step 2: Convert to fraction form
    540,016,109,076.93/745,153,736,128.56 = 296,081,387,007.09/x
  3. Step 3: Cross multiply
    540,016,109,076.93x = 745,153,736,128.56 × 296,081,387,007.09
  4. Step 4: Simplify right side
    540,016,109,076.93x = 220,626,151,726,459,239,006,208
  5. Step 5: Solve for x
    x = 220,626,151,726,459,239,006,208/540,016,109,076.93
  6. Step 6: Final answer
    x = 408,554,759,789.64

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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.