Home / 664,848,355.20-997,272,532.80-302,051,299.20

Finding the Fourth Proportional to 664,848,355.20, 997,272,532.80 and 302,051,299.20

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Solution

The fourth proportional to 664,848,355.20, 997,272,532.80 and 302,051,299.20 is: 453,076,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,355.20 : 997,272,532.80 = 302,051,299.20 : x
  2. Step 2: Convert to fraction form
    664,848,355.20/997,272,532.80 = 302,051,299.20/x
  3. Step 3: Cross multiply
    664,848,355.20x = 997,272,532.80 × 302,051,299.20
  4. Step 4: Simplify right side
    664,848,355.20x = 301,227,464,188,714,560
  5. Step 5: Solve for x
    x = 301,227,464,188,714,560/664,848,355.20
  6. Step 6: Final answer
    x = 453,076,948.80

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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.