Home / 607,394,839.96-838,200,705.42-328,929,991.16

Finding the Fourth Proportional to 607,394,839.96, 838,200,705.42 and 328,929,991.16

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Solution

The fourth proportional to 607,394,839.96, 838,200,705.42 and 328,929,991.16 is: 453,921,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,394,839.96 : 838,200,705.42 = 328,929,991.16 : x
  2. Step 2: Convert to fraction form
    607,394,839.96/838,200,705.42 = 328,929,991.16/x
  3. Step 3: Cross multiply
    607,394,839.96x = 838,200,705.42 × 328,929,991.16
  4. Step 4: Simplify right side
    607,394,839.96x = 275,709,350,624,106,368
  5. Step 5: Solve for x
    x = 275,709,350,624,106,368/607,394,839.96
  6. Step 6: Final answer
    x = 453,921,127.55

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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.