Home / 12,689,253,557.70-17,510,117,392.80-6,973,237,428.54

Finding the Fourth Proportional to 12,689,253,557.70, 17,510,117,392.80 and 6,973,237,428.54

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Solution

The fourth proportional to 12,689,253,557.70, 17,510,117,392.80 and 6,973,237,428.54 is: 9,622,489,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,253,557.70 : 17,510,117,392.80 = 6,973,237,428.54 : x
  2. Step 2: Convert to fraction form
    12,689,253,557.70/17,510,117,392.80 = 6,973,237,428.54/x
  3. Step 3: Cross multiply
    12,689,253,557.70x = 17,510,117,392.80 × 6,973,237,428.54
  4. Step 4: Simplify right side
    12,689,253,557.70x = 122,102,205,981,602,201,600
  5. Step 5: Solve for x
    x = 122,102,205,981,602,201,600/12,689,253,557.70
  6. Step 6: Final answer
    x = 9,622,489,252.53

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Double scale
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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.