Home / 1,556,090,938.68-2,147,399,074.68-841,627,289.80

Finding the Fourth Proportional to 1,556,090,938.68, 2,147,399,074.68 and 841,627,289.80

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Solution

The fourth proportional to 1,556,090,938.68, 2,147,399,074.68 and 841,627,289.80 is: 1,161,442,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,090,938.68 : 2,147,399,074.68 = 841,627,289.80 : x
  2. Step 2: Convert to fraction form
    1,556,090,938.68/2,147,399,074.68 = 841,627,289.80/x
  3. Step 3: Cross multiply
    1,556,090,938.68x = 2,147,399,074.68 × 841,627,289.80
  4. Step 4: Simplify right side
    1,556,090,938.68x = 1,807,309,663,341,956,096
  5. Step 5: Solve for x
    x = 1,807,309,663,341,956,096/1,556,090,938.68
  6. Step 6: Final answer
    x = 1,161,442,187.23

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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.