Home / 373,224,915.64-515,050,605.30-208,212,485.32

Finding the Fourth Proportional to 373,224,915.64, 515,050,605.30 and 208,212,485.32

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Solution

The fourth proportional to 373,224,915.64, 515,050,605.30 and 208,212,485.32 is: 287,333,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,224,915.64 : 515,050,605.30 = 208,212,485.32 : x
  2. Step 2: Convert to fraction form
    373,224,915.64/515,050,605.30 = 208,212,485.32/x
  3. Step 3: Cross multiply
    373,224,915.64x = 515,050,605.30 × 208,212,485.32
  4. Step 4: Simplify right side
    373,224,915.64x = 107,239,966,595,083,360
  5. Step 5: Solve for x
    x = 107,239,966,595,083,360/373,224,915.64
  6. Step 6: Final answer
    x = 287,333,353.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.