Home / 366,980,456.40-550,470,684.60-203,721,781.20

Finding the Fourth Proportional to 366,980,456.40, 550,470,684.60 and 203,721,781.20

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Solution

The fourth proportional to 366,980,456.40, 550,470,684.60 and 203,721,781.20 is: 305,582,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,980,456.40 : 550,470,684.60 = 203,721,781.20 : x
  2. Step 2: Convert to fraction form
    366,980,456.40/550,470,684.60 = 203,721,781.20/x
  3. Step 3: Cross multiply
    366,980,456.40x = 550,470,684.60 × 203,721,781.20
  4. Step 4: Simplify right side
    366,980,456.40x = 112,142,868,365,095,408
  5. Step 5: Solve for x
    x = 112,142,868,365,095,408/366,980,456.40
  6. Step 6: Final answer
    x = 305,582,671.80

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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.