Home / 12,940,031,487,982-17,857,804,782,658-7,165,916,519,925.60

Finding the Fourth Proportional to 12,940,031,487,982, 17,857,804,782,658 and 7,165,916,519,925.60

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Solution

The fourth proportional to 12,940,031,487,982, 17,857,804,782,658 and 7,165,916,519,925.60 is: 9,889,275,649,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,031,487,982 : 17,857,804,782,658 = 7,165,916,519,925.60 : x
  2. Step 2: Convert to fraction form
    12,940,031,487,982/17,857,804,782,658 = 7,165,916,519,925.60/x
  3. Step 3: Cross multiply
    12,940,031,487,982x = 17,857,804,782,658 × 7,165,916,519,925.60
  4. Step 4: Simplify right side
    12,940,031,487,982x = 127,967,538,301,655,341,898,661,888
  5. Step 5: Solve for x
    x = 127,967,538,301,655,341,898,661,888/12,940,031,487,982
  6. Step 6: Final answer
    x = 9,889,275,649,793.02

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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.