Home / 403,092,347.20-604,638,520.80-322,470,779.20

Finding the Fourth Proportional to 403,092,347.20, 604,638,520.80 and 322,470,779.20

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Solution

The fourth proportional to 403,092,347.20, 604,638,520.80 and 322,470,779.20 is: 483,706,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,092,347.20 : 604,638,520.80 = 322,470,779.20 : x
  2. Step 2: Convert to fraction form
    403,092,347.20/604,638,520.80 = 322,470,779.20/x
  3. Step 3: Cross multiply
    403,092,347.20x = 604,638,520.80 × 322,470,779.20
  4. Step 4: Simplify right side
    403,092,347.20x = 194,978,254,936,711,392
  5. Step 5: Solve for x
    x = 194,978,254,936,711,392/403,092,347.20
  6. Step 6: Final answer
    x = 483,706,168.80

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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.