Home / 1,431,631,153.53-1,975,620,034.14-828,827,194.73

Finding the Fourth Proportional to 1,431,631,153.53, 1,975,620,034.14 and 828,827,194.73

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Solution

The fourth proportional to 1,431,631,153.53, 1,975,620,034.14 and 828,827,194.73 is: 1,143,763,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,631,153.53 : 1,975,620,034.14 = 828,827,194.73 : x
  2. Step 2: Convert to fraction form
    1,431,631,153.53/1,975,620,034.14 = 828,827,194.73/x
  3. Step 3: Cross multiply
    1,431,631,153.53x = 1,975,620,034.14 × 828,827,194.73
  4. Step 4: Simplify right side
    1,431,631,153.53x = 1,637,447,610,738,765,056
  5. Step 5: Solve for x
    x = 1,637,447,610,738,765,056/1,431,631,153.53
  6. Step 6: Final answer
    x = 1,143,763,606.08

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Double scale
Find fourth proportional to 1,431,631,154.53, 1,975,620,035.52 and 828,827,195.73
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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.