Home / 1,679,622,068.40-2,519,433,102.60-863,328,692.40

Finding the Fourth Proportional to 1,679,622,068.40, 2,519,433,102.60 and 863,328,692.40

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Solution

The fourth proportional to 1,679,622,068.40, 2,519,433,102.60 and 863,328,692.40 is: 1,294,993,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,622,068.40 : 2,519,433,102.60 = 863,328,692.40 : x
  2. Step 2: Convert to fraction form
    1,679,622,068.40/2,519,433,102.60 = 863,328,692.40/x
  3. Step 3: Cross multiply
    1,679,622,068.40x = 2,519,433,102.60 × 863,328,692.40
  4. Step 4: Simplify right side
    1,679,622,068.40x = 2,175,098,886,056,932,864
  5. Step 5: Solve for x
    x = 2,175,098,886,056,932,864/1,679,622,068.40
  6. Step 6: Final answer
    x = 1,294,993,038.60

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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.