Home / 383,292,003.80-574,938,005.70-210,702,128.60

Finding the Fourth Proportional to 383,292,003.80, 574,938,005.70 and 210,702,128.60

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Solution

The fourth proportional to 383,292,003.80, 574,938,005.70 and 210,702,128.60 is: 316,053,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,292,003.80 : 574,938,005.70 = 210,702,128.60 : x
  2. Step 2: Convert to fraction form
    383,292,003.80/574,938,005.70 = 210,702,128.60/x
  3. Step 3: Cross multiply
    383,292,003.80x = 574,938,005.70 × 210,702,128.60
  4. Step 4: Simplify right side
    383,292,003.80x = 121,140,661,614,028,944
  5. Step 5: Solve for x
    x = 121,140,661,614,028,944/383,292,003.80
  6. Step 6: Final answer
    x = 316,053,192.90

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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.