Home / 1,448,735,816.80-2,173,387,160.40-619,687,856.80

Finding the Fourth Proportional to 1,448,735,816.80, 2,173,387,160.40 and 619,687,856.80

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Solution

The fourth proportional to 1,448,735,816.80, 2,173,387,160.40 and 619,687,856.80 is: 929,653,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,735,816.80 : 2,173,387,160.40 = 619,687,856.80 : x
  2. Step 2: Convert to fraction form
    1,448,735,816.80/2,173,387,160.40 = 619,687,856.80/x
  3. Step 3: Cross multiply
    1,448,735,816.80x = 2,173,387,160.40 × 619,687,856.80
  4. Step 4: Simplify right side
    1,448,735,816.80x = 1,346,821,631,424,913,664
  5. Step 5: Solve for x
    x = 1,346,821,631,424,913,664/1,448,735,816.80
  6. Step 6: Final answer
    x = 929,653,022.87

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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.