Home / 285,984,001.60-428,125,696.80-285,984,001.60

Finding the Fourth Proportional to 285,984,001.60, 428,125,696.80 and 285,984,001.60

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Solution

The fourth proportional to 285,984,001.60, 428,125,696.80 and 285,984,001.60 is: 428,125,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,984,001.60 : 428,125,696.80 = 285,984,001.60 : x
  2. Step 2: Convert to fraction form
    285,984,001.60/428,125,696.80 = 285,984,001.60/x
  3. Step 3: Cross multiply
    285,984,001.60x = 428,125,696.80 × 285,984,001.60
  4. Step 4: Simplify right side
    285,984,001.60x = 122,437,099,958,652,336
  5. Step 5: Solve for x
    x = 122,437,099,958,652,336/285,984,001.60
  6. Step 6: Final answer
    x = 428,125,696.80

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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.