Home / 670,043,896.20-924,647,317.38-372,679,741.80

Finding the Fourth Proportional to 670,043,896.20, 924,647,317.38 and 372,679,741.80

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Solution

The fourth proportional to 670,043,896.20, 924,647,317.38 and 372,679,741.80 is: 514,290,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,043,896.20 : 924,647,317.38 = 372,679,741.80 : x
  2. Step 2: Convert to fraction form
    670,043,896.20/924,647,317.38 = 372,679,741.80/x
  3. Step 3: Cross multiply
    670,043,896.20x = 924,647,317.38 × 372,679,741.80
  4. Step 4: Simplify right side
    670,043,896.20x = 344,597,323,497,241,088
  5. Step 5: Solve for x
    x = 344,597,323,497,241,088/670,043,896.20
  6. Step 6: Final answer
    x = 514,290,668.79

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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.