Home / 1,439,270,510.48-2,158,906,076.78-519,146,772.56

Finding the Fourth Proportional to 1,439,270,510.48, 2,158,906,076.78 and 519,146,772.56

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Solution

The fourth proportional to 1,439,270,510.48, 2,158,906,076.78 and 519,146,772.56 is: 778,720,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,270,510.48 : 2,158,906,076.78 = 519,146,772.56 : x
  2. Step 2: Convert to fraction form
    1,439,270,510.48/2,158,906,076.78 = 519,146,772.56/x
  3. Step 3: Cross multiply
    1,439,270,510.48x = 2,158,906,076.78 × 519,146,772.56
  4. Step 4: Simplify right side
    1,439,270,510.48x = 1,120,789,122,007,118,336
  5. Step 5: Solve for x
    x = 1,120,789,122,007,118,336/1,439,270,510.48
  6. Step 6: Final answer
    x = 778,720,271.03

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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.