Home / 416,317,007.95-574,518,146.22-228,115,395.45

Finding the Fourth Proportional to 416,317,007.95, 574,518,146.22 and 228,115,395.45

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Solution

The fourth proportional to 416,317,007.95, 574,518,146.22 and 228,115,395.45 is: 314,799,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,317,007.95 : 574,518,146.22 = 228,115,395.45 : x
  2. Step 2: Convert to fraction form
    416,317,007.95/574,518,146.22 = 228,115,395.45/x
  3. Step 3: Cross multiply
    416,317,007.95x = 574,518,146.22 × 228,115,395.45
  4. Step 4: Simplify right side
    416,317,007.95x = 131,056,434,118,176,224
  5. Step 5: Solve for x
    x = 131,056,434,118,176,224/416,317,007.95
  6. Step 6: Final answer
    x = 314,799,615.72

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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.