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Finding the Fourth Proportional to 666,098,018.48, 919,226,148.01 and 364,678,301.00

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Solution

The fourth proportional to 666,098,018.48, 919,226,148.01 and 364,678,301.00 is: 503,262,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,098,018.48 : 919,226,148.01 = 364,678,301.00 : x
  2. Step 2: Convert to fraction form
    666,098,018.48/919,226,148.01 = 364,678,301.00/x
  3. Step 3: Cross multiply
    666,098,018.48x = 919,226,148.01 × 364,678,301.00
  4. Step 4: Simplify right side
    666,098,018.48x = 335,221,829,885,553,536
  5. Step 5: Solve for x
    x = 335,221,829,885,553,536/666,098,018.48
  6. Step 6: Final answer
    x = 503,262,013.38

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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.