Home / 798,439,765.30-1,195,868,057.55-655,112,533.30

Finding the Fourth Proportional to 798,439,765.30, 1,195,868,057.55 and 655,112,533.30

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Solution

The fourth proportional to 798,439,765.30, 1,195,868,057.55 and 655,112,533.30 is: 981,198,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,439,765.30 : 1,195,868,057.55 = 655,112,533.30 : x
  2. Step 2: Convert to fraction form
    798,439,765.30/1,195,868,057.55 = 655,112,533.30/x
  3. Step 3: Cross multiply
    798,439,765.30x = 1,195,868,057.55 × 655,112,533.30
  4. Step 4: Simplify right side
    798,439,765.30x = 783,428,152,674,130,560
  5. Step 5: Solve for x
    x = 783,428,152,674,130,560/798,439,765.30
  6. Step 6: Final answer
    x = 981,198,816.39

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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.