Home / 20,562,838,298.82-30,846,370,848.72-7,117,100,196.63

Finding the Fourth Proportional to 20,562,838,298.82, 30,846,370,848.72 and 7,117,100,196.63

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Solution

The fourth proportional to 20,562,838,298.82, 30,846,370,848.72 and 7,117,100,196.63 is: 10,676,381,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562,838,298.82 : 30,846,370,848.72 = 7,117,100,196.63 : x
  2. Step 2: Convert to fraction form
    20,562,838,298.82/30,846,370,848.72 = 7,117,100,196.63/x
  3. Step 3: Cross multiply
    20,562,838,298.82x = 30,846,370,848.72 × 7,117,100,196.63
  4. Step 4: Simplify right side
    20,562,838,298.82x = 219,536,712,032,747,028,480
  5. Step 5: Solve for x
    x = 219,536,712,032,747,028,480/20,562,838,298.82
  6. Step 6: Final answer
    x = 10,676,381,773.88

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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.