Home / 1,119,555,057.64-1,545,057,079.14-624,516,757.48

Finding the Fourth Proportional to 1,119,555,057.64, 1,545,057,079.14 and 624,516,757.48

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Solution

The fourth proportional to 1,119,555,057.64, 1,545,057,079.14 and 624,516,757.48 is: 861,872,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,555,057.64 : 1,545,057,079.14 = 624,516,757.48 : x
  2. Step 2: Convert to fraction form
    1,119,555,057.64/1,545,057,079.14 = 624,516,757.48/x
  3. Step 3: Cross multiply
    1,119,555,057.64x = 1,545,057,079.14 × 624,516,757.48
  4. Step 4: Simplify right side
    1,119,555,057.64x = 964,914,037,186,032,640
  5. Step 5: Solve for x
    x = 964,914,037,186,032,640/1,119,555,057.64
  6. Step 6: Final answer
    x = 861,872,786.52

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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.