Home / 500,024,465.40-748,975,014.90-415,089,809.40

Finding the Fourth Proportional to 500,024,465.40, 748,975,014.90 and 415,089,809.40

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Solution

The fourth proportional to 500,024,465.40, 748,975,014.90 and 415,089,809.40 is: 621,753,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,024,465.40 : 748,975,014.90 = 415,089,809.40 : x
  2. Step 2: Convert to fraction form
    500,024,465.40/748,975,014.90 = 415,089,809.40/x
  3. Step 3: Cross multiply
    500,024,465.40x = 748,975,014.90 × 415,089,809.40
  4. Step 4: Simplify right side
    500,024,465.40x = 310,891,896,180,203,136
  5. Step 5: Solve for x
    x = 310,891,896,180,203,136/500,024,465.40
  6. Step 6: Final answer
    x = 621,753,369.47

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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.