Home / 519,576,648.28-717,010,062.51-281,415,908.13

Finding the Fourth Proportional to 519,576,648.28, 717,010,062.51 and 281,415,908.13

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Solution

The fourth proportional to 519,576,648.28, 717,010,062.51 and 281,415,908.13 is: 388,350,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,576,648.28 : 717,010,062.51 = 281,415,908.13 : x
  2. Step 2: Convert to fraction form
    519,576,648.28/717,010,062.51 = 281,415,908.13/x
  3. Step 3: Cross multiply
    519,576,648.28x = 717,010,062.51 × 281,415,908.13
  4. Step 4: Simplify right side
    519,576,648.28x = 201,778,037,878,544,416
  5. Step 5: Solve for x
    x = 201,778,037,878,544,416/519,576,648.28
  6. Step 6: Final answer
    x = 388,350,859.39

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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.