Home / 512,064,066.60-768,432,023.10-293,713,986.60

Finding the Fourth Proportional to 512,064,066.60, 768,432,023.10 and 293,713,986.60

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Solution

The fourth proportional to 512,064,066.60, 768,432,023.10 and 293,713,986.60 is: 440,763,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,064,066.60 : 768,432,023.10 = 293,713,986.60 : x
  2. Step 2: Convert to fraction form
    512,064,066.60/768,432,023.10 = 293,713,986.60/x
  3. Step 3: Cross multiply
    512,064,066.60x = 768,432,023.10 × 293,713,986.60
  4. Step 4: Simplify right side
    512,064,066.60x = 225,699,232,935,804,320
  5. Step 5: Solve for x
    x = 225,699,232,935,804,320/512,064,066.60
  6. Step 6: Final answer
    x = 440,763,661.54

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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.