Home / 528,385,051.07-729,151,394.08-293,450,845.17

Finding the Fourth Proportional to 528,385,051.07, 729,151,394.08 and 293,450,845.17

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Solution

The fourth proportional to 528,385,051.07, 729,151,394.08 and 293,450,845.17 is: 404,951,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,385,051.07 : 729,151,394.08 = 293,450,845.17 : x
  2. Step 2: Convert to fraction form
    528,385,051.07/729,151,394.08 = 293,450,845.17/x
  3. Step 3: Cross multiply
    528,385,051.07x = 729,151,394.08 × 293,450,845.17
  4. Step 4: Simplify right side
    528,385,051.07x = 213,970,092,844,816,800
  5. Step 5: Solve for x
    x = 213,970,092,844,816,800/528,385,051.07
  6. Step 6: Final answer
    x = 404,951,071.97

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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.