Home / 12,940,031,490,213-17,857,804,785,738-7,165,916,522,157

Finding the Fourth Proportional to 12,940,031,490,213, 17,857,804,785,738 and 7,165,916,522,157

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Solution

The fourth proportional to 12,940,031,490,213, 17,857,804,785,738 and 7,165,916,522,157 is: 9,889,275,652,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,031,490,213 : 17,857,804,785,738 = 7,165,916,522,157 : x
  2. Step 2: Convert to fraction form
    12,940,031,490,213/17,857,804,785,738 = 7,165,916,522,157/x
  3. Step 3: Cross multiply
    12,940,031,490,213x = 17,857,804,785,738 × 7,165,916,522,157
  4. Step 4: Simplify right side
    12,940,031,490,213x = 127,967,538,363,574,287,677,259,776
  5. Step 5: Solve for x
    x = 127,967,538,363,574,287,677,259,776/12,940,031,490,213
  6. Step 6: Final answer
    x = 9,889,275,652,873.07

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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.