Home / 500,024,462.40-748,975,010.40-415,089,806.40

Finding the Fourth Proportional to 500,024,462.40, 748,975,010.40 and 415,089,806.40

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Solution

The fourth proportional to 500,024,462.40, 748,975,010.40 and 415,089,806.40 is: 621,753,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,024,462.40 : 748,975,010.40 = 415,089,806.40 : x
  2. Step 2: Convert to fraction form
    500,024,462.40/748,975,010.40 = 415,089,806.40/x
  3. Step 3: Cross multiply
    500,024,462.40x = 748,975,010.40 × 415,089,806.40
  4. Step 4: Simplify right side
    500,024,462.40x = 310,891,892,065,373,952
  5. Step 5: Solve for x
    x = 310,891,892,065,373,952/500,024,462.40
  6. Step 6: Final answer
    x = 621,753,364.97

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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.