Home / 1,608,907,907.20-2,413,361,860.80-874,243,868.80

Finding the Fourth Proportional to 1,608,907,907.20, 2,413,361,860.80 and 874,243,868.80

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Solution

The fourth proportional to 1,608,907,907.20, 2,413,361,860.80 and 874,243,868.80 is: 1,311,365,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,907,907.20 : 2,413,361,860.80 = 874,243,868.80 : x
  2. Step 2: Convert to fraction form
    1,608,907,907.20/2,413,361,860.80 = 874,243,868.80/x
  3. Step 3: Cross multiply
    1,608,907,907.20x = 2,413,361,860.80 × 874,243,868.80
  4. Step 4: Simplify right side
    1,608,907,907.20x = 2,109,866,810,000,159,232
  5. Step 5: Solve for x
    x = 2,109,866,810,000,159,232/1,608,907,907.20
  6. Step 6: Final answer
    x = 1,311,365,803.20

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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.