Home / 507,577,713.85-700,686,760.20-319,682,147.39

Finding the Fourth Proportional to 507,577,713.85, 700,686,760.20 and 319,682,147.39

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Solution

The fourth proportional to 507,577,713.85, 700,686,760.20 and 319,682,147.39 is: 441,305,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,577,713.85 : 700,686,760.20 = 319,682,147.39 : x
  2. Step 2: Convert to fraction form
    507,577,713.85/700,686,760.20 = 319,682,147.39/x
  3. Step 3: Cross multiply
    507,577,713.85x = 700,686,760.20 × 319,682,147.39
  4. Step 4: Simplify right side
    507,577,713.85x = 223,997,048,153,029,088
  5. Step 5: Solve for x
    x = 223,997,048,153,029,088/507,577,713.85
  6. Step 6: Final answer
    x = 441,305,916.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.