Home / 38,179,944,586.98-52,689,956,541.79-21,263,589,428.94

Finding the Fourth Proportional to 38,179,944,586.98, 52,689,956,541.79 and 21,263,589,428.94

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Solution

The fourth proportional to 38,179,944,586.98, 52,689,956,541.79 and 21,263,589,428.94 is: 29,344,662,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179,944,586.98 : 52,689,956,541.79 = 21,263,589,428.94 : x
  2. Step 2: Convert to fraction form
    38,179,944,586.98/52,689,956,541.79 = 21,263,589,428.94/x
  3. Step 3: Cross multiply
    38,179,944,586.98x = 52,689,956,541.79 × 21,263,589,428.94
  4. Step 4: Simplify right side
    38,179,944,586.98x = 1,120,377,602,933,398,831,104
  5. Step 5: Solve for x
    x = 1,120,377,602,933,398,831,104/38,179,944,586.98
  6. Step 6: Final answer
    x = 29,344,662,886.58

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Double scale
Find fourth proportional to 38,179,944,587.98, 52,689,956,543.17 and 21,263,589,429.94
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.