Home / 691,516,445.56-954,295,550.33-373,976,684.57

Finding the Fourth Proportional to 691,516,445.56, 954,295,550.33 and 373,976,684.57

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Solution

The fourth proportional to 691,516,445.56, 954,295,550.33 and 373,976,684.57 is: 516,089,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,516,445.56 : 954,295,550.33 = 373,976,684.57 : x
  2. Step 2: Convert to fraction form
    691,516,445.56/954,295,550.33 = 373,976,684.57/x
  3. Step 3: Cross multiply
    691,516,445.56x = 954,295,550.33 × 373,976,684.57
  4. Step 4: Simplify right side
    691,516,445.56x = 356,884,286,012,316,992
  5. Step 5: Solve for x
    x = 356,884,286,012,316,992/691,516,445.56
  6. Step 6: Final answer
    x = 516,089,368.96

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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.