Home / 1,072,372,511.74-1,608,818,080.20-372,763,648.48

Finding the Fourth Proportional to 1,072,372,511.74, 1,608,818,080.20 and 372,763,648.48

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Solution

The fourth proportional to 1,072,372,511.74, 1,608,818,080.20 and 372,763,648.48 is: 559,235,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,372,511.74 : 1,608,818,080.20 = 372,763,648.48 : x
  2. Step 2: Convert to fraction form
    1,072,372,511.74/1,608,818,080.20 = 372,763,648.48/x
  3. Step 3: Cross multiply
    1,072,372,511.74x = 1,608,818,080.20 × 372,763,648.48
  4. Step 4: Simplify right side
    1,072,372,511.74x = 599,708,897,315,941,248
  5. Step 5: Solve for x
    x = 599,708,897,315,941,248/1,072,372,511.74
  6. Step 6: Final answer
    x = 559,235,611.46

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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.