Home / 870,048,670,150.75-1,200,613,065,842.70-479,393,372,449.37

Finding the Fourth Proportional to 870,048,670,150.75, 1,200,613,065,842.70 and 479,393,372,449.37

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Solution

The fourth proportional to 870,048,670,150.75, 1,200,613,065,842.70 and 479,393,372,449.37 is: 661,533,045,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,048,670,150.75 : 1,200,613,065,842.70 = 479,393,372,449.37 : x
  2. Step 2: Convert to fraction form
    870,048,670,150.75/1,200,613,065,842.70 = 479,393,372,449.37/x
  3. Step 3: Cross multiply
    870,048,670,150.75x = 1,200,613,065,842.70 × 479,393,372,449.37
  4. Step 4: Simplify right side
    870,048,670,150.75x = 575,565,946,641,109,456,257,024
  5. Step 5: Solve for x
    x = 575,565,946,641,109,456,257,024/870,048,670,150.75
  6. Step 6: Final answer
    x = 661,533,045,664.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.