Home / 1,121,473,285.60-1,682,209,928.40-734,489,759.20

Finding the Fourth Proportional to 1,121,473,285.60, 1,682,209,928.40 and 734,489,759.20

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Solution

The fourth proportional to 1,121,473,285.60, 1,682,209,928.40 and 734,489,759.20 is: 1,101,734,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,473,285.60 : 1,682,209,928.40 = 734,489,759.20 : x
  2. Step 2: Convert to fraction form
    1,121,473,285.60/1,682,209,928.40 = 734,489,759.20/x
  3. Step 3: Cross multiply
    1,121,473,285.60x = 1,682,209,928.40 × 734,489,759.20
  4. Step 4: Simplify right side
    1,121,473,285.60x = 1,235,565,965,234,365,440
  5. Step 5: Solve for x
    x = 1,235,565,965,234,365,440/1,121,473,285.60
  6. Step 6: Final answer
    x = 1,101,734,638.80

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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.