Home / 439,281,349.12-658,458,756.87-144,099,389.35

Finding the Fourth Proportional to 439,281,349.12, 658,458,756.87 and 144,099,389.35

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Solution

The fourth proportional to 439,281,349.12, 658,458,756.87 and 144,099,389.35 is: 215,997,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,281,349.12 : 658,458,756.87 = 144,099,389.35 : x
  2. Step 2: Convert to fraction form
    439,281,349.12/658,458,756.87 = 144,099,389.35/x
  3. Step 3: Cross multiply
    439,281,349.12x = 658,458,756.87 × 144,099,389.35
  4. Step 4: Simplify right side
    439,281,349.12x = 94,883,504,777,127,120
  5. Step 5: Solve for x
    x = 94,883,504,777,127,120/439,281,349.12
  6. Step 6: Final answer
    x = 215,997,116.58

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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.