Home / 786,978,048.30-1,180,467,072.45-241,719,582.30

Finding the Fourth Proportional to 786,978,048.30, 1,180,467,072.45 and 241,719,582.30

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Solution

The fourth proportional to 786,978,048.30, 1,180,467,072.45 and 241,719,582.30 is: 362,579,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,978,048.30 : 1,180,467,072.45 = 241,719,582.30 : x
  2. Step 2: Convert to fraction form
    786,978,048.30/1,180,467,072.45 = 241,719,582.30/x
  3. Step 3: Cross multiply
    786,978,048.30x = 1,180,467,072.45 × 241,719,582.30
  4. Step 4: Simplify right side
    786,978,048.30x = 285,342,007,671,517,856
  5. Step 5: Solve for x
    x = 285,342,007,671,517,856/786,978,048.30
  6. Step 6: Final answer
    x = 362,579,373.45

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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.