Home / 757,512,515.80-1,046,089,242.18-716,243,757.76

Finding the Fourth Proportional to 757,512,515.80, 1,046,089,242.18 and 716,243,757.76

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Solution

The fourth proportional to 757,512,515.80, 1,046,089,242.18 and 716,243,757.76 is: 989,099,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,512,515.80 : 1,046,089,242.18 = 716,243,757.76 : x
  2. Step 2: Convert to fraction form
    757,512,515.80/1,046,089,242.18 = 716,243,757.76/x
  3. Step 3: Cross multiply
    757,512,515.80x = 1,046,089,242.18 × 716,243,757.76
  4. Step 4: Simplify right side
    757,512,515.80x = 749,254,889,771,313,792
  5. Step 5: Solve for x
    x = 749,254,889,771,313,792/757,512,515.80
  6. Step 6: Final answer
    x = 989,099,023.64

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Double scale
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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.