Home / 372,154,668.40-558,232,002.60-366,415,105.60

Finding the Fourth Proportional to 372,154,668.40, 558,232,002.60 and 366,415,105.60

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Solution

The fourth proportional to 372,154,668.40, 558,232,002.60 and 366,415,105.60 is: 549,622,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,154,668.40 : 558,232,002.60 = 366,415,105.60 : x
  2. Step 2: Convert to fraction form
    372,154,668.40/558,232,002.60 = 366,415,105.60/x
  3. Step 3: Cross multiply
    372,154,668.40x = 558,232,002.60 × 366,415,105.60
  4. Step 4: Simplify right side
    372,154,668.40x = 204,544,638,181,978,496
  5. Step 5: Solve for x
    x = 204,544,638,181,978,496/372,154,668.40
  6. Step 6: Final answer
    x = 549,622,658.40

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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.