Home / 364,507,365.61-503,021,497.62-197,243,628.45

Finding the Fourth Proportional to 364,507,365.61, 503,021,497.62 and 197,243,628.45

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Solution

The fourth proportional to 364,507,365.61, 503,021,497.62 and 197,243,628.45 is: 272,196,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,507,365.61 : 503,021,497.62 = 197,243,628.45 : x
  2. Step 2: Convert to fraction form
    364,507,365.61/503,021,497.62 = 197,243,628.45/x
  3. Step 3: Cross multiply
    364,507,365.61x = 503,021,497.62 × 197,243,628.45
  4. Step 4: Simplify right side
    364,507,365.61x = 99,217,785,378,921,840
  5. Step 5: Solve for x
    x = 99,217,785,378,921,840/364,507,365.61
  6. Step 6: Final answer
    x = 272,196,928.62

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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.