Home / 387,216,002.40-580,824,003.60-100,001,666.40

Finding the Fourth Proportional to 387,216,002.40, 580,824,003.60 and 100,001,666.40

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Solution

The fourth proportional to 387,216,002.40, 580,824,003.60 and 100,001,666.40 is: 150,002,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,216,002.40 : 580,824,003.60 = 100,001,666.40 : x
  2. Step 2: Convert to fraction form
    387,216,002.40/580,824,003.60 = 100,001,666.40/x
  3. Step 3: Cross multiply
    387,216,002.40x = 580,824,003.60 × 100,001,666.40
  4. Step 4: Simplify right side
    387,216,002.40x = 58,083,368,245,119,608
  5. Step 5: Solve for x
    x = 58,083,368,245,119,608/387,216,002.40
  6. Step 6: Final answer
    x = 150,002,499.60

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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.