Home / 1,268,128,646.43-1,743,811,804.64-1,100,574,014.50

Finding the Fourth Proportional to 1,268,128,646.43, 1,743,811,804.64 and 1,100,574,014.50

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Solution

The fourth proportional to 1,268,128,646.43, 1,743,811,804.64 and 1,100,574,014.50 is: 1,513,406,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,128,646.43 : 1,743,811,804.64 = 1,100,574,014.50 : x
  2. Step 2: Convert to fraction form
    1,268,128,646.43/1,743,811,804.64 = 1,100,574,014.50/x
  3. Step 3: Cross multiply
    1,268,128,646.43x = 1,743,811,804.64 × 1,100,574,014.50
  4. Step 4: Simplify right side
    1,268,128,646.43x = 1,919,193,958,366,941,184
  5. Step 5: Solve for x
    x = 1,919,193,958,366,941,184/1,268,128,646.43
  6. Step 6: Final answer
    x = 1,513,406,359.65

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Double scale
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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.