Home / 315,089,580.68-472,800,890.10-223,564,811.72

Finding the Fourth Proportional to 315,089,580.68, 472,800,890.10 and 223,564,811.72

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Solution

The fourth proportional to 315,089,580.68, 472,800,890.10 and 223,564,811.72 is: 335,465,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,089,580.68 : 472,800,890.10 = 223,564,811.72 : x
  2. Step 2: Convert to fraction form
    315,089,580.68/472,800,890.10 = 223,564,811.72/x
  3. Step 3: Cross multiply
    315,089,580.68x = 472,800,890.10 × 223,564,811.72
  4. Step 4: Simplify right side
    315,089,580.68x = 105,701,641,976,254,912
  5. Step 5: Solve for x
    x = 105,701,641,976,254,912/315,089,580.68
  6. Step 6: Final answer
    x = 335,465,367.49

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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.