Home / 2,076,012,871.80-3,114,019,307.70-621,990,295.80

Finding the Fourth Proportional to 2,076,012,871.80, 3,114,019,307.70 and 621,990,295.80

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Solution

The fourth proportional to 2,076,012,871.80, 3,114,019,307.70 and 621,990,295.80 is: 932,985,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,012,871.80 : 3,114,019,307.70 = 621,990,295.80 : x
  2. Step 2: Convert to fraction form
    2,076,012,871.80/3,114,019,307.70 = 621,990,295.80/x
  3. Step 3: Cross multiply
    2,076,012,871.80x = 3,114,019,307.70 × 621,990,295.80
  4. Step 4: Simplify right side
    2,076,012,871.80x = 1,936,889,790,323,234,048
  5. Step 5: Solve for x
    x = 1,936,889,790,323,234,048/2,076,012,871.80
  6. Step 6: Final answer
    x = 932,985,443.70

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Double scale
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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.