Home / 1,680,440,431.80-2,520,660,647.70-1,513,993,110.60

Finding the Fourth Proportional to 1,680,440,431.80, 2,520,660,647.70 and 1,513,993,110.60

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Solution

The fourth proportional to 1,680,440,431.80, 2,520,660,647.70 and 1,513,993,110.60 is: 2,270,989,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,440,431.80 : 2,520,660,647.70 = 1,513,993,110.60 : x
  2. Step 2: Convert to fraction form
    1,680,440,431.80/2,520,660,647.70 = 1,513,993,110.60/x
  3. Step 3: Cross multiply
    1,680,440,431.80x = 2,520,660,647.70 × 1,513,993,110.60
  4. Step 4: Simplify right side
    1,680,440,431.80x = 3,816,262,854,778,333,184
  5. Step 5: Solve for x
    x = 3,816,262,854,778,333,184/1,680,440,431.80
  6. Step 6: Final answer
    x = 2,270,989,665.90

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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.