Home / 7,429,300,112.66-11,148,853,459.90-3,938,157,231.20

Finding the Fourth Proportional to 7,429,300,112.66, 11,148,853,459.90 and 3,938,157,231.20

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Solution

The fourth proportional to 7,429,300,112.66, 11,148,853,459.90 and 3,938,157,231.20 is: 5,909,835,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,300,112.66 : 11,148,853,459.90 = 3,938,157,231.20 : x
  2. Step 2: Convert to fraction form
    7,429,300,112.66/11,148,853,459.90 = 3,938,157,231.20/x
  3. Step 3: Cross multiply
    7,429,300,112.66x = 11,148,853,459.90 × 3,938,157,231.20
  4. Step 4: Simplify right side
    7,429,300,112.66x = 43,905,937,872,694,321,152
  5. Step 5: Solve for x
    x = 43,905,937,872,694,321,152/7,429,300,112.66
  6. Step 6: Final answer
    x = 5,909,835,005.57

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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.