Home / 1,384,008,603.70-2,076,012,905.55-414,660,219.70

Finding the Fourth Proportional to 1,384,008,603.70, 2,076,012,905.55 and 414,660,219.70

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Solution

The fourth proportional to 1,384,008,603.70, 2,076,012,905.55 and 414,660,219.70 is: 621,990,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,008,603.70 : 2,076,012,905.55 = 414,660,219.70 : x
  2. Step 2: Convert to fraction form
    1,384,008,603.70/2,076,012,905.55 = 414,660,219.70/x
  3. Step 3: Cross multiply
    1,384,008,603.70x = 2,076,012,905.55 × 414,660,219.70
  4. Step 4: Simplify right side
    1,384,008,603.70x = 860,839,967,515,398,272
  5. Step 5: Solve for x
    x = 860,839,967,515,398,272/1,384,008,603.70
  6. Step 6: Final answer
    x = 621,990,329.55

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Double scale
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1.5x scale

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.