Home / 19,255,917,955.60-28,885,856,011.26-6,664,755,799.72

Finding the Fourth Proportional to 19,255,917,955.60, 28,885,856,011.26 and 6,664,755,799.72

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Solution

The fourth proportional to 19,255,917,955.60, 28,885,856,011.26 and 6,664,755,799.72 is: 9,997,818,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255,917,955.60 : 28,885,856,011.26 = 6,664,755,799.72 : x
  2. Step 2: Convert to fraction form
    19,255,917,955.60/28,885,856,011.26 = 6,664,755,799.72/x
  3. Step 3: Cross multiply
    19,255,917,955.60x = 28,885,856,011.26 × 6,664,755,799.72
  4. Step 4: Simplify right side
    19,255,917,955.60x = 192,517,176,380,921,905,152
  5. Step 5: Solve for x
    x = 192,517,176,380,921,905,152/19,255,917,955.60
  6. Step 6: Final answer
    x = 9,997,818,687.47

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1.5x scale

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.