Home / 995,984,138.40-1,493,976,207.60-305,890,285.20

Finding the Fourth Proportional to 995,984,138.40, 1,493,976,207.60 and 305,890,285.20

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Solution

The fourth proportional to 995,984,138.40, 1,493,976,207.60 and 305,890,285.20 is: 458,835,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,984,138.40 : 1,493,976,207.60 = 305,890,285.20 : x
  2. Step 2: Convert to fraction form
    995,984,138.40/1,493,976,207.60 = 305,890,285.20/x
  3. Step 3: Cross multiply
    995,984,138.40x = 1,493,976,207.60 × 305,890,285.20
  4. Step 4: Simplify right side
    995,984,138.40x = 456,992,808,224,778,368
  5. Step 5: Solve for x
    x = 456,992,808,224,778,368/995,984,138.40
  6. Step 6: Final answer
    x = 458,835,427.80

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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.