Home / 1,639,602,741.40-2,459,404,112.10-1,481,445,899.80

Finding the Fourth Proportional to 1,639,602,741.40, 2,459,404,112.10 and 1,481,445,899.80

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Solution

The fourth proportional to 1,639,602,741.40, 2,459,404,112.10 and 1,481,445,899.80 is: 2,222,168,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,602,741.40 : 2,459,404,112.10 = 1,481,445,899.80 : x
  2. Step 2: Convert to fraction form
    1,639,602,741.40/2,459,404,112.10 = 1,481,445,899.80/x
  3. Step 3: Cross multiply
    1,639,602,741.40x = 2,459,404,112.10 × 1,481,445,899.80
  4. Step 4: Simplify right side
    1,639,602,741.40x = 3,643,474,137,821,804,544
  5. Step 5: Solve for x
    x = 3,643,474,137,821,804,544/1,639,602,741.40
  6. Step 6: Final answer
    x = 2,222,168,849.70

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Double scale
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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.