Home / 672,762,003.40-1,009,143,005.10-413,135,360.20

Finding the Fourth Proportional to 672,762,003.40, 1,009,143,005.10 and 413,135,360.20

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Solution

The fourth proportional to 672,762,003.40, 1,009,143,005.10 and 413,135,360.20 is: 619,703,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,762,003.40 : 1,009,143,005.10 = 413,135,360.20 : x
  2. Step 2: Convert to fraction form
    672,762,003.40/1,009,143,005.10 = 413,135,360.20/x
  3. Step 3: Cross multiply
    672,762,003.40x = 1,009,143,005.10 × 413,135,360.20
  4. Step 4: Simplify right side
    672,762,003.40x = 416,912,658,905,298,944
  5. Step 5: Solve for x
    x = 416,912,658,905,298,944/672,762,003.40
  6. Step 6: Final answer
    x = 619,703,040.30

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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.