Home / 398,794,588.51-598,280,816.09-122,473,688.15

Finding the Fourth Proportional to 398,794,588.51, 598,280,816.09 and 122,473,688.15

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Solution

The fourth proportional to 398,794,588.51, 598,280,816.09 and 122,473,688.15 is: 183,737,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,794,588.51 : 598,280,816.09 = 122,473,688.15 : x
  2. Step 2: Convert to fraction form
    398,794,588.51/598,280,816.09 = 122,473,688.15/x
  3. Step 3: Cross multiply
    398,794,588.51x = 598,280,816.09 × 122,473,688.15
  4. Step 4: Simplify right side
    398,794,588.51x = 73,273,658,095,934,176
  5. Step 5: Solve for x
    x = 73,273,658,095,934,176/398,794,588.51
  6. Step 6: Final answer
    x = 183,737,844.51

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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.