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Finding the Fourth Proportional to 633,456,131.70, 888,047,907.90 and 633,456,131.70

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Solution

The fourth proportional to 633,456,131.70, 888,047,907.90 and 633,456,131.70 is: 888,047,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,456,131.70 : 888,047,907.90 = 633,456,131.70 : x
  2. Step 2: Convert to fraction form
    633,456,131.70/888,047,907.90 = 633,456,131.70/x
  3. Step 3: Cross multiply
    633,456,131.70x = 888,047,907.90 × 633,456,131.70
  4. Step 4: Simplify right side
    633,456,131.70x = 562,539,392,502,611,904
  5. Step 5: Solve for x
    x = 562,539,392,502,611,904/633,456,131.70
  6. Step 6: Final answer
    x = 888,047,907.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.