Home / 668,736,014.90-1,003,104,022.35-407,227,184.83

Finding the Fourth Proportional to 668,736,014.90, 1,003,104,022.35 and 407,227,184.83

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Solution

The fourth proportional to 668,736,014.90, 1,003,104,022.35 and 407,227,184.83 is: 610,840,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,736,014.90 : 1,003,104,022.35 = 407,227,184.83 : x
  2. Step 2: Convert to fraction form
    668,736,014.90/1,003,104,022.35 = 407,227,184.83/x
  3. Step 3: Cross multiply
    668,736,014.90x = 1,003,104,022.35 × 407,227,184.83
  4. Step 4: Simplify right side
    668,736,014.90x = 408,491,227,108,224,384
  5. Step 5: Solve for x
    x = 408,491,227,108,224,384/668,736,014.90
  6. Step 6: Final answer
    x = 610,840,777.24

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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.