Home / 661,926,742.61-913,500,389.55-364,568,925.65

Finding the Fourth Proportional to 661,926,742.61, 913,500,389.55 and 364,568,925.65

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Solution

The fourth proportional to 661,926,742.61, 913,500,389.55 and 364,568,925.65 is: 503,127,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,926,742.61 : 913,500,389.55 = 364,568,925.65 : x
  2. Step 2: Convert to fraction form
    661,926,742.61/913,500,389.55 = 364,568,925.65/x
  3. Step 3: Cross multiply
    661,926,742.61x = 913,500,389.55 × 364,568,925.65
  4. Step 4: Simplify right side
    661,926,742.61x = 333,033,855,599,099,968
  5. Step 5: Solve for x
    x = 333,033,855,599,099,968/661,926,742.61
  6. Step 6: Final answer
    x = 503,127,965.92

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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.