Home / 1,008,907,568.40-1,513,361,352.60-281,896,280.40

Finding the Fourth Proportional to 1,008,907,568.40, 1,513,361,352.60 and 281,896,280.40

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Solution

The fourth proportional to 1,008,907,568.40, 1,513,361,352.60 and 281,896,280.40 is: 422,844,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,907,568.40 : 1,513,361,352.60 = 281,896,280.40 : x
  2. Step 2: Convert to fraction form
    1,008,907,568.40/1,513,361,352.60 = 281,896,280.40/x
  3. Step 3: Cross multiply
    1,008,907,568.40x = 1,513,361,352.60 × 281,896,280.40
  4. Step 4: Simplify right side
    1,008,907,568.40x = 426,610,936,199,052,800
  5. Step 5: Solve for x
    x = 426,610,936,199,052,800/1,008,907,568.40
  6. Step 6: Final answer
    x = 422,844,420.60

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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.