Home / 1,475,719,101.07-2,036,492,455.86-806,666,796.21

Finding the Fourth Proportional to 1,475,719,101.07, 2,036,492,455.86 and 806,666,796.21

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Solution

The fourth proportional to 1,475,719,101.07, 2,036,492,455.86 and 806,666,796.21 is: 1,113,200,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,719,101.07 : 2,036,492,455.86 = 806,666,796.21 : x
  2. Step 2: Convert to fraction form
    1,475,719,101.07/2,036,492,455.86 = 806,666,796.21/x
  3. Step 3: Cross multiply
    1,475,719,101.07x = 2,036,492,455.86 × 806,666,796.21
  4. Step 4: Simplify right side
    1,475,719,101.07x = 1,642,770,844,874,420,992
  5. Step 5: Solve for x
    x = 1,642,770,844,874,420,992/1,475,719,101.07
  6. Step 6: Final answer
    x = 1,113,200,231.46

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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.