Home / 519,576,648.34-717,010,062.59-281,415,908.19

Finding the Fourth Proportional to 519,576,648.34, 717,010,062.59 and 281,415,908.19

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Solution

The fourth proportional to 519,576,648.34, 717,010,062.59 and 281,415,908.19 is: 388,350,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,576,648.34 : 717,010,062.59 = 281,415,908.19 : x
  2. Step 2: Convert to fraction form
    519,576,648.34/717,010,062.59 = 281,415,908.19/x
  3. Step 3: Cross multiply
    519,576,648.34x = 717,010,062.59 × 281,415,908.19
  4. Step 4: Simplify right side
    519,576,648.34x = 201,778,037,945,133,600
  5. Step 5: Solve for x
    x = 201,778,037,945,133,600/519,576,648.34
  6. Step 6: Final answer
    x = 388,350,859.47

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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.