Home / 355,761,439.53-533,734,164.76-208,333,505.31

Finding the Fourth Proportional to 355,761,439.53, 533,734,164.76 and 208,333,505.31

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Solution

The fourth proportional to 355,761,439.53, 533,734,164.76 and 208,333,505.31 is: 312,554,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,761,439.53 : 533,734,164.76 = 208,333,505.31 : x
  2. Step 2: Convert to fraction form
    355,761,439.53/533,734,164.76 = 208,333,505.31/x
  3. Step 3: Cross multiply
    355,761,439.53x = 533,734,164.76 × 208,333,505.31
  4. Step 4: Simplify right side
    355,761,439.53x = 111,194,709,448,155,872
  5. Step 5: Solve for x
    x = 111,194,709,448,155,872/355,761,439.53
  6. Step 6: Final answer
    x = 312,554,136.26

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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.