Home / 665,575,326.10-996,449,801.55-407,295,000.10

Finding the Fourth Proportional to 665,575,326.10, 996,449,801.55 and 407,295,000.10

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Solution

The fourth proportional to 665,575,326.10, 996,449,801.55 and 407,295,000.10 is: 609,771,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,575,326.10 : 996,449,801.55 = 407,295,000.10 : x
  2. Step 2: Convert to fraction form
    665,575,326.10/996,449,801.55 = 407,295,000.10/x
  3. Step 3: Cross multiply
    665,575,326.10x = 996,449,801.55 × 407,295,000.10
  4. Step 4: Simplify right side
    665,575,326.10x = 405,849,022,021,952,256
  5. Step 5: Solve for x
    x = 405,849,022,021,952,256/665,575,326.10
  6. Step 6: Final answer
    x = 609,771,735.98

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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.