Home / 870,048,670,139.52-1,200,613,065,827.20-479,393,372,438.12

Finding the Fourth Proportional to 870,048,670,139.52, 1,200,613,065,827.20 and 479,393,372,438.12

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Solution

The fourth proportional to 870,048,670,139.52, 1,200,613,065,827.20 and 479,393,372,438.12 is: 661,533,045,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,048,670,139.52 : 1,200,613,065,827.20 = 479,393,372,438.12 : x
  2. Step 2: Convert to fraction form
    870,048,670,139.52/1,200,613,065,827.20 = 479,393,372,438.12/x
  3. Step 3: Cross multiply
    870,048,670,139.52x = 1,200,613,065,827.20 × 479,393,372,438.12
  4. Step 4: Simplify right side
    870,048,670,139.52x = 575,565,946,620,171,960,451,072
  5. Step 5: Solve for x
    x = 575,565,946,620,171,960,451,072/870,048,670,139.52
  6. Step 6: Final answer
    x = 661,533,045,648.90

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Double scale
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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.