Home / 447,394,947.36-671,116,336-140,710,975.20

Finding the Fourth Proportional to 447,394,947.36, 671,116,336 and 140,710,975.20

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Solution

The fourth proportional to 447,394,947.36, 671,116,336 and 140,710,975.20 is: 211,073,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,394,947.36 : 671,116,336 = 140,710,975.20 : x
  2. Step 2: Convert to fraction form
    447,394,947.36/671,116,336 = 140,710,975.20/x
  3. Step 3: Cross multiply
    447,394,947.36x = 671,116,336 × 140,710,975.20
  4. Step 4: Simplify right side
    447,394,947.36x = 94,433,434,111,210,864
  5. Step 5: Solve for x
    x = 94,433,434,111,210,864/447,394,947.36
  6. Step 6: Final answer
    x = 211,073,984.34

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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.