Home / 383,292,001.80-574,938,002.70-210,702,126.60

Finding the Fourth Proportional to 383,292,001.80, 574,938,002.70 and 210,702,126.60

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Solution

The fourth proportional to 383,292,001.80, 574,938,002.70 and 210,702,126.60 is: 316,053,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,292,001.80 : 574,938,002.70 = 210,702,126.60 : x
  2. Step 2: Convert to fraction form
    383,292,001.80/574,938,002.70 = 210,702,126.60/x
  3. Step 3: Cross multiply
    383,292,001.80x = 574,938,002.70 × 210,702,126.60
  4. Step 4: Simplify right side
    383,292,001.80x = 121,140,659,832,046,544
  5. Step 5: Solve for x
    x = 121,140,659,832,046,544/383,292,001.80
  6. Step 6: Final answer
    x = 316,053,189.90

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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.