Home / 715,271,539,595.05-1,072,907,250,221.20-198,373,036,725.35

Finding the Fourth Proportional to 715,271,539,595.05, 1,072,907,250,221.20 and 198,373,036,725.35

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Solution

The fourth proportional to 715,271,539,595.05, 1,072,907,250,221.20 and 198,373,036,725.35 is: 297,559,538,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,271,539,595.05 : 1,072,907,250,221.20 = 198,373,036,725.35 : x
  2. Step 2: Convert to fraction form
    715,271,539,595.05/1,072,907,250,221.20 = 198,373,036,725.35/x
  3. Step 3: Cross multiply
    715,271,539,595.05x = 1,072,907,250,221.20 × 198,373,036,725.35
  4. Step 4: Simplify right side
    715,271,539,595.05x = 212,835,869,351,024,397,385,728
  5. Step 5: Solve for x
    x = 212,835,869,351,024,397,385,728/715,271,539,595.05
  6. Step 6: Final answer
    x = 297,559,538,677.47

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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.