Home / 1,920,647,354.76-2,649,030,984.33-1,653,178,413.87

Finding the Fourth Proportional to 1,920,647,354.76, 2,649,030,984.33 and 1,653,178,413.87

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Solution

The fourth proportional to 1,920,647,354.76, 2,649,030,984.33 and 1,653,178,413.87 is: 2,280,127,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,647,354.76 : 2,649,030,984.33 = 1,653,178,413.87 : x
  2. Step 2: Convert to fraction form
    1,920,647,354.76/2,649,030,984.33 = 1,653,178,413.87/x
  3. Step 3: Cross multiply
    1,920,647,354.76x = 2,649,030,984.33 × 1,653,178,413.87
  4. Step 4: Simplify right side
    1,920,647,354.76x = 4,379,320,840,967,153,664
  5. Step 5: Solve for x
    x = 4,379,320,840,967,153,664/1,920,647,354.76
  6. Step 6: Final answer
    x = 2,280,127,494.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.