Home / 21,226,158,736,018-31,842,421,654,848-7,455,318,263,218

Finding the Fourth Proportional to 21,226,158,736,018, 31,842,421,654,848 and 7,455,318,263,218

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Solution

The fourth proportional to 21,226,158,736,018, 31,842,421,654,848 and 7,455,318,263,218 is: 11,184,095,561,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226,158,736,018 : 31,842,421,654,848 = 7,455,318,263,218 : x
  2. Step 2: Convert to fraction form
    21,226,158,736,018/31,842,421,654,848 = 7,455,318,263,218/x
  3. Step 3: Cross multiply
    21,226,158,736,018x = 31,842,421,654,848 × 7,455,318,263,218
  4. Step 4: Simplify right side
    21,226,158,736,018x = 237,395,387,708,476,628,374,913,024
  5. Step 5: Solve for x
    x = 237,395,387,708,476,628,374,913,024/21,226,158,736,018
  6. Step 6: Final answer
    x = 11,184,095,561,560.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.