Home / 384,929,817.80-577,394,726.70-320,306,592.20

Finding the Fourth Proportional to 384,929,817.80, 577,394,726.70 and 320,306,592.20

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Solution

The fourth proportional to 384,929,817.80, 577,394,726.70 and 320,306,592.20 is: 480,459,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,929,817.80 : 577,394,726.70 = 320,306,592.20 : x
  2. Step 2: Convert to fraction form
    384,929,817.80/577,394,726.70 = 320,306,592.20/x
  3. Step 3: Cross multiply
    384,929,817.80x = 577,394,726.70 × 320,306,592.20
  4. Step 4: Simplify right side
    384,929,817.80x = 184,943,337,263,527,360
  5. Step 5: Solve for x
    x = 184,943,337,263,527,360/384,929,817.80
  6. Step 6: Final answer
    x = 480,459,888.30

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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.