Home / 303,587,263.41-455,089,980.32-128,469,401.19

Finding the Fourth Proportional to 303,587,263.41, 455,089,980.32 and 128,469,401.19

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Solution

The fourth proportional to 303,587,263.41, 455,089,980.32 and 128,469,401.19 is: 192,580,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,587,263.41 : 455,089,980.32 = 128,469,401.19 : x
  2. Step 2: Convert to fraction form
    303,587,263.41/455,089,980.32 = 128,469,401.19/x
  3. Step 3: Cross multiply
    303,587,263.41x = 455,089,980.32 × 128,469,401.19
  4. Step 4: Simplify right side
    303,587,263.41x = 58,465,137,259,118,696
  5. Step 5: Solve for x
    x = 58,465,137,259,118,696/303,587,263.41
  6. Step 6: Final answer
    x = 192,580,995.01

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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.