Home / 685,549,601.76-1,028,000,232.66-265,567,673.40

Finding the Fourth Proportional to 685,549,601.76, 1,028,000,232.66 and 265,567,673.40

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Solution

The fourth proportional to 685,549,601.76, 1,028,000,232.66 and 265,567,673.40 is: 398,225,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,549,601.76 : 1,028,000,232.66 = 265,567,673.40 : x
  2. Step 2: Convert to fraction form
    685,549,601.76/1,028,000,232.66 = 265,567,673.40/x
  3. Step 3: Cross multiply
    685,549,601.76x = 1,028,000,232.66 × 265,567,673.40
  4. Step 4: Simplify right side
    685,549,601.76x = 273,003,630,042,174,880
  5. Step 5: Solve for x
    x = 273,003,630,042,174,880/685,549,601.76
  6. Step 6: Final answer
    x = 398,225,933.38

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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.