Home / 607,513,540.64-911,263,667.88-147,451,709.84

Finding the Fourth Proportional to 607,513,540.64, 911,263,667.88 and 147,451,709.84

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Solution

The fourth proportional to 607,513,540.64, 911,263,667.88 and 147,451,709.84 is: 221,175,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,513,540.64 : 911,263,667.88 = 147,451,709.84 : x
  2. Step 2: Convert to fraction form
    607,513,540.64/911,263,667.88 = 147,451,709.84/x
  3. Step 3: Cross multiply
    607,513,540.64x = 911,263,667.88 × 147,451,709.84
  4. Step 4: Simplify right side
    607,513,540.64x = 134,367,385,943,975,888
  5. Step 5: Solve for x
    x = 134,367,385,943,975,888/607,513,540.64
  6. Step 6: Final answer
    x = 221,175,952.40

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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.