Home / 1,680,154,066.40-2,520,231,099.60-1,578,033,413.60

Finding the Fourth Proportional to 1,680,154,066.40, 2,520,231,099.60 and 1,578,033,413.60

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Solution

The fourth proportional to 1,680,154,066.40, 2,520,231,099.60 and 1,578,033,413.60 is: 2,367,050,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,154,066.40 : 2,520,231,099.60 = 1,578,033,413.60 : x
  2. Step 2: Convert to fraction form
    1,680,154,066.40/2,520,231,099.60 = 1,578,033,413.60/x
  3. Step 3: Cross multiply
    1,680,154,066.40x = 2,520,231,099.60 × 1,578,033,413.60
  4. Step 4: Simplify right side
    1,680,154,066.40x = 3,977,008,885,162,669,056
  5. Step 5: Solve for x
    x = 3,977,008,885,162,669,056/1,680,154,066.40
  6. Step 6: Final answer
    x = 2,367,050,120.40

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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.