Home / 665,575,325.10-996,449,800.05-407,294,999.10

Finding the Fourth Proportional to 665,575,325.10, 996,449,800.05 and 407,294,999.10

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Solution

The fourth proportional to 665,575,325.10, 996,449,800.05 and 407,294,999.10 is: 609,771,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,575,325.10 : 996,449,800.05 = 407,294,999.10 : x
  2. Step 2: Convert to fraction form
    665,575,325.10/996,449,800.05 = 407,294,999.10/x
  3. Step 3: Cross multiply
    665,575,325.10x = 996,449,800.05 × 407,294,999.10
  4. Step 4: Simplify right side
    665,575,325.10x = 405,849,020,414,559,936
  5. Step 5: Solve for x
    x = 405,849,020,414,559,936/665,575,325.10
  6. Step 6: Final answer
    x = 609,771,734.48

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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.