Home / 883,548,293.40-1,325,322,440.10-638,660,280.60

Finding the Fourth Proportional to 883,548,293.40, 1,325,322,440.10 and 638,660,280.60

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Solution

The fourth proportional to 883,548,293.40, 1,325,322,440.10 and 638,660,280.60 is: 957,990,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,548,293.40 : 1,325,322,440.10 = 638,660,280.60 : x
  2. Step 2: Convert to fraction form
    883,548,293.40/1,325,322,440.10 = 638,660,280.60/x
  3. Step 3: Cross multiply
    883,548,293.40x = 1,325,322,440.10 × 638,660,280.60
  4. Step 4: Simplify right side
    883,548,293.40x = 846,430,801,479,742,720
  5. Step 5: Solve for x
    x = 846,430,801,479,742,720/883,548,293.40
  6. Step 6: Final answer
    x = 957,990,420.90

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1.5x scale

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.