Home / 15,819,733,345.54-23,716,254,351.39-13,021,839,968.80

Finding the Fourth Proportional to 15,819,733,345.54, 23,716,254,351.39 and 13,021,839,968.80

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Solution

The fourth proportional to 15,819,733,345.54, 23,716,254,351.39 and 13,021,839,968.80 is: 19,521,774,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819,733,345.54 : 23,716,254,351.39 = 13,021,839,968.80 : x
  2. Step 2: Convert to fraction form
    15,819,733,345.54/23,716,254,351.39 = 13,021,839,968.80/x
  3. Step 3: Cross multiply
    15,819,733,345.54x = 23,716,254,351.39 × 13,021,839,968.80
  4. Step 4: Simplify right side
    15,819,733,345.54x = 308,829,268,823,157,178,368
  5. Step 5: Solve for x
    x = 308,829,268,823,157,178,368/15,819,733,345.54
  6. Step 6: Final answer
    x = 19,521,774,613.87

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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.