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Finding the Fourth Proportional to 1,364,490,990.90, 1,882,997,570.41 and 737,959,418.82

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Solution

The fourth proportional to 1,364,490,990.90, 1,882,997,570.41 and 737,959,418.82 is: 1,018,383,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,490,990.90 : 1,882,997,570.41 = 737,959,418.82 : x
  2. Step 2: Convert to fraction form
    1,364,490,990.90/1,882,997,570.41 = 737,959,418.82/x
  3. Step 3: Cross multiply
    1,364,490,990.90x = 1,882,997,570.41 × 737,959,418.82
  4. Step 4: Simplify right side
    1,364,490,990.90x = 1,389,575,792,697,390,848
  5. Step 5: Solve for x
    x = 1,389,575,792,697,390,848/1,364,490,990.90
  6. Step 6: Final answer
    x = 1,018,383,999.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.