Home / 446,808,507.40-670,212,761.10-309,059,000.20

Finding the Fourth Proportional to 446,808,507.40, 670,212,761.10 and 309,059,000.20

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Solution

The fourth proportional to 446,808,507.40, 670,212,761.10 and 309,059,000.20 is: 463,588,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,808,507.40 : 670,212,761.10 = 309,059,000.20 : x
  2. Step 2: Convert to fraction form
    446,808,507.40/670,212,761.10 = 309,059,000.20/x
  3. Step 3: Cross multiply
    446,808,507.40x = 670,212,761.10 × 309,059,000.20
  4. Step 4: Simplify right side
    446,808,507.40x = 207,135,285,866,847,456
  5. Step 5: Solve for x
    x = 207,135,285,866,847,456/446,808,507.40
  6. Step 6: Final answer
    x = 463,588,500.30

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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.