Home / 12,940,028,432,196-17,857,800,565,666-7,165,913,464,139

Finding the Fourth Proportional to 12,940,028,432,196, 17,857,800,565,666 and 7,165,913,464,139

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Solution

The fourth proportional to 12,940,028,432,196, 17,857,800,565,666 and 7,165,913,464,139 is: 9,889,271,432,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,028,432,196 : 17,857,800,565,666 = 7,165,913,464,139 : x
  2. Step 2: Convert to fraction form
    12,940,028,432,196/17,857,800,565,666 = 7,165,913,464,139/x
  3. Step 3: Cross multiply
    12,940,028,432,196x = 17,857,800,565,666 × 7,165,913,464,139
  4. Step 4: Simplify right side
    12,940,028,432,196x = 127,967,453,513,415,039,012,306,944
  5. Step 5: Solve for x
    x = 127,967,453,513,415,039,012,306,944/12,940,028,432,196
  6. Step 6: Final answer
    x = 9,889,271,432,744.31

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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.