Home / 1,089,936,790.24-1,506,080,270.46-776,126,194.24

Finding the Fourth Proportional to 1,089,936,790.24, 1,506,080,270.46 and 776,126,194.24

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Solution

The fourth proportional to 1,089,936,790.24, 1,506,080,270.46 and 776,126,194.24 is: 1,072,455,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,936,790.24 : 1,506,080,270.46 = 776,126,194.24 : x
  2. Step 2: Convert to fraction form
    1,089,936,790.24/1,506,080,270.46 = 776,126,194.24/x
  3. Step 3: Cross multiply
    1,089,936,790.24x = 1,506,080,270.46 × 776,126,194.24
  4. Step 4: Simplify right side
    1,089,936,790.24x = 1,168,908,348,532,069,632
  5. Step 5: Solve for x
    x = 1,168,908,348,532,069,632/1,089,936,790.24
  6. Step 6: Final answer
    x = 1,072,455,172.63

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Double scale
Find fourth proportional to 1,089,936,791.24, 1,506,080,271.84 and 776,126,195.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.