Home / 490,341,936.08-735,291,564.60-140,507,986.88

Finding the Fourth Proportional to 490,341,936.08, 735,291,564.60 and 140,507,986.88

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Solution

The fourth proportional to 490,341,936.08, 735,291,564.60 and 140,507,986.88 is: 210,698,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,341,936.08 : 735,291,564.60 = 140,507,986.88 : x
  2. Step 2: Convert to fraction form
    490,341,936.08/735,291,564.60 = 140,507,986.88/x
  3. Step 3: Cross multiply
    490,341,936.08x = 735,291,564.60 × 140,507,986.88
  4. Step 4: Simplify right side
    490,341,936.08x = 103,314,337,511,791,472
  5. Step 5: Solve for x
    x = 103,314,337,511,791,472/490,341,936.08
  6. Step 6: Final answer
    x = 210,698,555.25

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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.