Home / 664,848,187.20-997,272,280.80-302,051,131.20

Finding the Fourth Proportional to 664,848,187.20, 997,272,280.80 and 302,051,131.20

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Solution

The fourth proportional to 664,848,187.20, 997,272,280.80 and 302,051,131.20 is: 453,076,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,187.20 : 997,272,280.80 = 302,051,131.20 : x
  2. Step 2: Convert to fraction form
    664,848,187.20/997,272,280.80 = 302,051,131.20/x
  3. Step 3: Cross multiply
    664,848,187.20x = 997,272,280.80 × 302,051,131.20
  4. Step 4: Simplify right side
    664,848,187.20x = 301,227,220,530,044,032
  5. Step 5: Solve for x
    x = 301,227,220,530,044,032/664,848,187.20
  6. Step 6: Final answer
    x = 453,076,696.80

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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.