Home / 256,808,368-384,985,801.41-196,493,357.44

Finding the Fourth Proportional to 256,808,368, 384,985,801.41 and 196,493,357.44

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Solution

The fourth proportional to 256,808,368, 384,985,801.41 and 196,493,357.44 is: 294,566,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,808,368 : 384,985,801.41 = 196,493,357.44 : x
  2. Step 2: Convert to fraction form
    256,808,368/384,985,801.41 = 196,493,357.44/x
  3. Step 3: Cross multiply
    256,808,368x = 384,985,801.41 × 196,493,357.44
  4. Step 4: Simplify right side
    256,808,368x = 75,647,152,685,779,984
  5. Step 5: Solve for x
    x = 75,647,152,685,779,984/256,808,368
  6. Step 6: Final answer
    x = 294,566,541.09

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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.