Home / 477,623,406.80-716,435,110.20-154,507,278.80

Finding the Fourth Proportional to 477,623,406.80, 716,435,110.20 and 154,507,278.80

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Solution

The fourth proportional to 477,623,406.80, 716,435,110.20 and 154,507,278.80 is: 231,760,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,623,406.80 : 716,435,110.20 = 154,507,278.80 : x
  2. Step 2: Convert to fraction form
    477,623,406.80/716,435,110.20 = 154,507,278.80/x
  3. Step 3: Cross multiply
    477,623,406.80x = 716,435,110.20 × 154,507,278.80
  4. Step 4: Simplify right side
    477,623,406.80x = 110,694,439,313,780,144
  5. Step 5: Solve for x
    x = 110,694,439,313,780,144/477,623,406.80
  6. Step 6: Final answer
    x = 231,760,918.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.