Home / 543,872,881.56-750,521,107.28-308,922,810.60

Finding the Fourth Proportional to 543,872,881.56, 750,521,107.28 and 308,922,810.60

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Solution

The fourth proportional to 543,872,881.56, 750,521,107.28 and 308,922,810.60 is: 426,300,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,872,881.56 : 750,521,107.28 = 308,922,810.60 : x
  2. Step 2: Convert to fraction form
    543,872,881.56/750,521,107.28 = 308,922,810.60/x
  3. Step 3: Cross multiply
    543,872,881.56x = 750,521,107.28 × 308,922,810.60
  4. Step 4: Simplify right side
    543,872,881.56x = 231,853,089,875,561,728
  5. Step 5: Solve for x
    x = 231,853,089,875,561,728/543,872,881.56
  6. Step 6: Final answer
    x = 426,300,147.95

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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.