Home / 383,574,005.20-575,444,988.60-153,485,275.60

Finding the Fourth Proportional to 383,574,005.20, 575,444,988.60 and 153,485,275.60

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Solution

The fourth proportional to 383,574,005.20, 575,444,988.60 and 153,485,275.60 is: 230,261,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,574,005.20 : 575,444,988.60 = 153,485,275.60 : x
  2. Step 2: Convert to fraction form
    383,574,005.20/575,444,988.60 = 153,485,275.60/x
  3. Step 3: Cross multiply
    383,574,005.20x = 575,444,988.60 × 153,485,275.60
  4. Step 4: Simplify right side
    383,574,005.20x = 88,322,332,667,909,856
  5. Step 5: Solve for x
    x = 88,322,332,667,909,856/383,574,005.20
  6. Step 6: Final answer
    x = 230,261,517.91

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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.