Home / 818,171,131.03-1,227,256,712.84-196,386,363

Finding the Fourth Proportional to 818,171,131.03, 1,227,256,712.84 and 196,386,363

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Solution

The fourth proportional to 818,171,131.03, 1,227,256,712.84 and 196,386,363 is: 294,579,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,171,131.03 : 1,227,256,712.84 = 196,386,363 : x
  2. Step 2: Convert to fraction form
    818,171,131.03/1,227,256,712.84 = 196,386,363/x
  3. Step 3: Cross multiply
    818,171,131.03x = 1,227,256,712.84 × 196,386,363
  4. Step 4: Simplify right side
    818,171,131.03x = 241,016,482,302,473,952
  5. Step 5: Solve for x
    x = 241,016,482,302,473,952/818,171,131.03
  6. Step 6: Final answer
    x = 294,579,548.41

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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.