Home / 11,787,953,633.76-17,673,213,450.02-7,128,791,786.34

Finding the Fourth Proportional to 11,787,953,633.76, 17,673,213,450.02 and 7,128,791,786.34

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Solution

The fourth proportional to 11,787,953,633.76, 17,673,213,450.02 and 7,128,791,786.34 is: 10,687,916,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787,953,633.76 : 17,673,213,450.02 = 7,128,791,786.34 : x
  2. Step 2: Convert to fraction form
    11,787,953,633.76/17,673,213,450.02 = 7,128,791,786.34/x
  3. Step 3: Cross multiply
    11,787,953,633.76x = 17,673,213,450.02 × 7,128,791,786.34
  4. Step 4: Simplify right side
    11,787,953,633.76x = 125,988,658,880,700,547,072
  5. Step 5: Solve for x
    x = 125,988,658,880,700,547,072/11,787,953,633.76
  6. Step 6: Final answer
    x = 10,687,916,053.54

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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.