Home / 715,271,539,592.65-1,072,907,250,217.60-198,373,036,722.98

Finding the Fourth Proportional to 715,271,539,592.65, 1,072,907,250,217.60 and 198,373,036,722.98

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Solution

The fourth proportional to 715,271,539,592.65, 1,072,907,250,217.60 and 198,373,036,722.98 is: 297,559,538,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,271,539,592.65 : 1,072,907,250,217.60 = 198,373,036,722.98 : x
  2. Step 2: Convert to fraction form
    715,271,539,592.65/1,072,907,250,217.60 = 198,373,036,722.98/x
  3. Step 3: Cross multiply
    715,271,539,592.65x = 1,072,907,250,217.60 × 198,373,036,722.98
  4. Step 4: Simplify right side
    715,271,539,592.65x = 212,835,869,347,767,469,998,080
  5. Step 5: Solve for x
    x = 212,835,869,347,767,469,998,080/715,271,539,592.65
  6. Step 6: Final answer
    x = 297,559,538,673.91

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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.