Home / 883,548,278.40-1,325,322,417.60-638,660,265.60

Finding the Fourth Proportional to 883,548,278.40, 1,325,322,417.60 and 638,660,265.60

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Solution

The fourth proportional to 883,548,278.40, 1,325,322,417.60 and 638,660,265.60 is: 957,990,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,548,278.40 : 1,325,322,417.60 = 638,660,265.60 : x
  2. Step 2: Convert to fraction form
    883,548,278.40/1,325,322,417.60 = 638,660,265.60/x
  3. Step 3: Cross multiply
    883,548,278.40x = 1,325,322,417.60 × 638,660,265.60
  4. Step 4: Simplify right side
    883,548,278.40x = 846,430,767,230,050,048
  5. Step 5: Solve for x
    x = 846,430,767,230,050,048/883,548,278.40
  6. Step 6: Final answer
    x = 957,990,398.40

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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.