Home / 364,507,316.12-503,021,429.54-197,243,578.71

Finding the Fourth Proportional to 364,507,316.12, 503,021,429.54 and 197,243,578.71

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Solution

The fourth proportional to 364,507,316.12, 503,021,429.54 and 197,243,578.71 is: 272,196,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,507,316.12 : 503,021,429.54 = 197,243,578.71 : x
  2. Step 2: Convert to fraction form
    364,507,316.12/503,021,429.54 = 197,243,578.71/x
  3. Step 3: Cross multiply
    364,507,316.12x = 503,021,429.54 × 197,243,578.71
  4. Step 4: Simplify right side
    364,507,316.12x = 99,217,746,930,043,152
  5. Step 5: Solve for x
    x = 99,217,746,930,043,152/364,507,316.12
  6. Step 6: Final answer
    x = 272,196,860.09

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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.