Home / 1,081,489,154.40-1,622,435,686.56-491,320,832.40

Finding the Fourth Proportional to 1,081,489,154.40, 1,622,435,686.56 and 491,320,832.40

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Solution

The fourth proportional to 1,081,489,154.40, 1,622,435,686.56 and 491,320,832.40 is: 737,072,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,489,154.40 : 1,622,435,686.56 = 491,320,832.40 : x
  2. Step 2: Convert to fraction form
    1,081,489,154.40/1,622,435,686.56 = 491,320,832.40/x
  3. Step 3: Cross multiply
    1,081,489,154.40x = 1,622,435,686.56 × 491,320,832.40
  4. Step 4: Simplify right side
    1,081,489,154.40x = 797,136,452,036,124,672
  5. Step 5: Solve for x
    x = 797,136,452,036,124,672/1,081,489,154.40
  6. Step 6: Final answer
    x = 737,072,996.80

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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.