Home / 995,424,085.60-1,493,136,128.40-789,839,087.20

Finding the Fourth Proportional to 995,424,085.60, 1,493,136,128.40 and 789,839,087.20

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Solution

The fourth proportional to 995,424,085.60, 1,493,136,128.40 and 789,839,087.20 is: 1,184,758,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,424,085.60 : 1,493,136,128.40 = 789,839,087.20 : x
  2. Step 2: Convert to fraction form
    995,424,085.60/1,493,136,128.40 = 789,839,087.20/x
  3. Step 3: Cross multiply
    995,424,085.60x = 1,493,136,128.40 × 789,839,087.20
  4. Step 4: Simplify right side
    995,424,085.60x = 1,179,337,276,720,798,208
  5. Step 5: Solve for x
    x = 1,179,337,276,720,798,208/995,424,085.60
  6. Step 6: Final answer
    x = 1,184,758,630.80

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Double scale
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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.