Home / 447,915,969-672,138,493.02-189,114,437.16

Finding the Fourth Proportional to 447,915,969, 672,138,493.02 and 189,114,437.16

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Solution

The fourth proportional to 447,915,969, 672,138,493.02 and 189,114,437.16 is: 283,783,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,915,969 : 672,138,493.02 = 189,114,437.16 : x
  2. Step 2: Convert to fraction form
    447,915,969/672,138,493.02 = 189,114,437.16/x
  3. Step 3: Cross multiply
    447,915,969x = 672,138,493.02 × 189,114,437.16
  4. Step 4: Simplify right side
    447,915,969x = 127,111,092,801,047,888
  5. Step 5: Solve for x
    x = 127,111,092,801,047,888/447,915,969
  6. Step 6: Final answer
    x = 283,783,346.87

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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.