Home / 624,149,548.71-860,999,824.52-385,918,579.74

Finding the Fourth Proportional to 624,149,548.71, 860,999,824.52 and 385,918,579.74

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Solution

The fourth proportional to 624,149,548.71, 860,999,824.52 and 385,918,579.74 is: 532,365,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,149,548.71 : 860,999,824.52 = 385,918,579.74 : x
  2. Step 2: Convert to fraction form
    624,149,548.71/860,999,824.52 = 385,918,579.74/x
  3. Step 3: Cross multiply
    624,149,548.71x = 860,999,824.52 × 385,918,579.74
  4. Step 4: Simplify right side
    624,149,548.71x = 332,275,829,435,147,648
  5. Step 5: Solve for x
    x = 332,275,829,435,147,648/624,149,548.71
  6. Step 6: Final answer
    x = 532,365,728.89

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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.