Home / 447,865,020,783.96-672,275,601,584.12-193,020,171,194.98

Finding the Fourth Proportional to 447,865,020,783.96, 672,275,601,584.12 and 193,020,171,194.98

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Solution

The fourth proportional to 447,865,020,783.96, 672,275,601,584.12 and 193,020,171,194.98 is: 289,736,294,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,865,020,783.96 : 672,275,601,584.12 = 193,020,171,194.98 : x
  2. Step 2: Convert to fraction form
    447,865,020,783.96/672,275,601,584.12 = 193,020,171,194.98/x
  3. Step 3: Cross multiply
    447,865,020,783.96x = 672,275,601,584.12 × 193,020,171,194.98
  4. Step 4: Simplify right side
    447,865,020,783.96x = 129,762,751,707,975,017,037,824
  5. Step 5: Solve for x
    x = 129,762,751,707,975,017,037,824/447,865,020,783.96
  6. Step 6: Final answer
    x = 289,736,294,834.62

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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.