Home / 387,645,529.82-581,726,874.81-201,071,425.82

Finding the Fourth Proportional to 387,645,529.82, 581,726,874.81 and 201,071,425.82

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Solution

The fourth proportional to 387,645,529.82, 581,726,874.81 and 201,071,425.82 is: 301,741,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,645,529.82 : 581,726,874.81 = 201,071,425.82 : x
  2. Step 2: Convert to fraction form
    387,645,529.82/581,726,874.81 = 201,071,425.82/x
  3. Step 3: Cross multiply
    387,645,529.82x = 581,726,874.81 × 201,071,425.82
  4. Step 4: Simplify right side
    387,645,529.82x = 116,968,652,155,859,328
  5. Step 5: Solve for x
    x = 116,968,652,155,859,328/387,645,529.82
  6. Step 6: Final answer
    x = 301,741,264.01

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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.