Home / 384,929,813.80-577,394,720.70-320,306,588.20

Finding the Fourth Proportional to 384,929,813.80, 577,394,720.70 and 320,306,588.20

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Solution

The fourth proportional to 384,929,813.80, 577,394,720.70 and 320,306,588.20 is: 480,459,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,929,813.80 : 577,394,720.70 = 320,306,588.20 : x
  2. Step 2: Convert to fraction form
    384,929,813.80/577,394,720.70 = 320,306,588.20/x
  3. Step 3: Cross multiply
    384,929,813.80x = 577,394,720.70 × 320,306,588.20
  4. Step 4: Simplify right side
    384,929,813.80x = 184,943,333,032,108,928
  5. Step 5: Solve for x
    x = 184,943,333,032,108,928/384,929,813.80
  6. Step 6: Final answer
    x = 480,459,882.30

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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.