Home / 12,930,134,148,185-19,395,251,541,306-3,128,191,381,791.80

Finding the Fourth Proportional to 12,930,134,148,185, 19,395,251,541,306 and 3,128,191,381,791.80

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Solution

The fourth proportional to 12,930,134,148,185, 19,395,251,541,306 and 3,128,191,381,791.80 is: 4,692,299,246,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,930,134,148,185 : 19,395,251,541,306 = 3,128,191,381,791.80 : x
  2. Step 2: Convert to fraction form
    12,930,134,148,185/19,395,251,541,306 = 3,128,191,381,791.80/x
  3. Step 3: Cross multiply
    12,930,134,148,185x = 19,395,251,541,306 × 3,128,191,381,791.80
  4. Step 4: Simplify right side
    12,930,134,148,185x = 60,672,058,719,197,547,722,702,848
  5. Step 5: Solve for x
    x = 60,672,058,719,197,547,722,702,848/12,930,134,148,185
  6. Step 6: Final answer
    x = 4,692,299,246,385.94

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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.