Home / 911,759,905.48-1,367,650,364.46-329,538,368.20

Finding the Fourth Proportional to 911,759,905.48, 1,367,650,364.46 and 329,538,368.20

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Solution

The fourth proportional to 911,759,905.48, 1,367,650,364.46 and 329,538,368.20 is: 494,311,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,759,905.48 : 1,367,650,364.46 = 329,538,368.20 : x
  2. Step 2: Convert to fraction form
    911,759,905.48/1,367,650,364.46 = 329,538,368.20/x
  3. Step 3: Cross multiply
    911,759,905.48x = 1,367,650,364.46 × 329,538,368.20
  4. Step 4: Simplify right side
    911,759,905.48x = 450,693,269,372,283,648
  5. Step 5: Solve for x
    x = 450,693,269,372,283,648/911,759,905.48
  6. Step 6: Final answer
    x = 494,311,349.58

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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.