Home / 861,089,247.48-1,290,584,533.14-446,337,412.20

Finding the Fourth Proportional to 861,089,247.48, 1,290,584,533.14 and 446,337,412.20

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Solution

The fourth proportional to 861,089,247.48, 1,290,584,533.14 and 446,337,412.20 is: 668,962,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,089,247.48 : 1,290,584,533.14 = 446,337,412.20 : x
  2. Step 2: Convert to fraction form
    861,089,247.48/1,290,584,533.14 = 446,337,412.20/x
  3. Step 3: Cross multiply
    861,089,247.48x = 1,290,584,533.14 × 446,337,412.20
  4. Step 4: Simplify right side
    861,089,247.48x = 576,036,160,747,052,800
  5. Step 5: Solve for x
    x = 576,036,160,747,052,800/861,089,247.48
  6. Step 6: Final answer
    x = 668,962,203.90

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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.