Home / 945,164,608.37-1,304,399,273.91-521,859,878.06

Finding the Fourth Proportional to 945,164,608.37, 1,304,399,273.91 and 521,859,878.06

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Solution

The fourth proportional to 945,164,608.37, 1,304,399,273.91 and 521,859,878.06 is: 720,206,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,164,608.37 : 1,304,399,273.91 = 521,859,878.06 : x
  2. Step 2: Convert to fraction form
    945,164,608.37/1,304,399,273.91 = 521,859,878.06/x
  3. Step 3: Cross multiply
    945,164,608.37x = 1,304,399,273.91 × 521,859,878.06
  4. Step 4: Simplify right side
    945,164,608.37x = 680,713,646,024,225,152
  5. Step 5: Solve for x
    x = 680,713,646,024,225,152/945,164,608.37
  6. Step 6: Final answer
    x = 720,206,448.69

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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.