Home / 499,051,636.40-748,627,480.20-171,484,007.60

Finding the Fourth Proportional to 499,051,636.40, 748,627,480.20 and 171,484,007.60

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Solution

The fourth proportional to 499,051,636.40, 748,627,480.20 and 171,484,007.60 is: 257,243,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,051,636.40 : 748,627,480.20 = 171,484,007.60 : x
  2. Step 2: Convert to fraction form
    499,051,636.40/748,627,480.20 = 171,484,007.60/x
  3. Step 3: Cross multiply
    499,051,636.40x = 748,627,480.20 × 171,484,007.60
  4. Step 4: Simplify right side
    499,051,636.40x = 128,377,640,504,185,648
  5. Step 5: Solve for x
    x = 128,377,640,504,185,648/499,051,636.40
  6. Step 6: Final answer
    x = 257,243,201.19

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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.