Home / 354,315,433.60-531,473,150.40-339,009,932.80

Finding the Fourth Proportional to 354,315,433.60, 531,473,150.40 and 339,009,932.80

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Solution

The fourth proportional to 354,315,433.60, 531,473,150.40 and 339,009,932.80 is: 508,514,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,315,433.60 : 531,473,150.40 = 339,009,932.80 : x
  2. Step 2: Convert to fraction form
    354,315,433.60/531,473,150.40 = 339,009,932.80/x
  3. Step 3: Cross multiply
    354,315,433.60x = 531,473,150.40 × 339,009,932.80
  4. Step 4: Simplify right side
    354,315,433.60x = 180,174,677,002,108,288
  5. Step 5: Solve for x
    x = 180,174,677,002,108,288/354,315,433.60
  6. Step 6: Final answer
    x = 508,514,899.20

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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.