Home / 1,179,424,336.37-1,769,139,022.32-479,422,430.12

Finding the Fourth Proportional to 1,179,424,336.37, 1,769,139,022.32 and 479,422,430.12

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Solution

The fourth proportional to 1,179,424,336.37, 1,769,139,022.32 and 479,422,430.12 is: 719,134,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,424,336.37 : 1,769,139,022.32 = 479,422,430.12 : x
  2. Step 2: Convert to fraction form
    1,179,424,336.37/1,769,139,022.32 = 479,422,430.12/x
  3. Step 3: Cross multiply
    1,179,424,336.37x = 1,769,139,022.32 × 479,422,430.12
  4. Step 4: Simplify right side
    1,179,424,336.37x = 848,164,929,291,929,600
  5. Step 5: Solve for x
    x = 848,164,929,291,929,600/1,179,424,336.37
  6. Step 6: Final answer
    x = 719,134,668.62

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Double scale
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1.5x scale

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.