Home / 699,104,795.67-1,048,540,276.47-256,355,984.16

Finding the Fourth Proportional to 699,104,795.67, 1,048,540,276.47 and 256,355,984.16

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Solution

The fourth proportional to 699,104,795.67, 1,048,540,276.47 and 256,355,984.16 is: 384,491,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,104,795.67 : 1,048,540,276.47 = 256,355,984.16 : x
  2. Step 2: Convert to fraction form
    699,104,795.67/1,048,540,276.47 = 256,355,984.16/x
  3. Step 3: Cross multiply
    699,104,795.67x = 1,048,540,276.47 × 256,355,984.16
  4. Step 4: Simplify right side
    699,104,795.67x = 268,799,574,505,865,344
  5. Step 5: Solve for x
    x = 268,799,574,505,865,344/699,104,795.67
  6. Step 6: Final answer
    x = 384,491,103.72

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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.