Home / 1,121,004,086.15-1,681,506,129.23-1,121,004,086.15

Finding the Fourth Proportional to 1,121,004,086.15, 1,681,506,129.23 and 1,121,004,086.15

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Solution

The fourth proportional to 1,121,004,086.15, 1,681,506,129.23 and 1,121,004,086.15 is: 1,681,506,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,004,086.15 : 1,681,506,129.23 = 1,121,004,086.15 : x
  2. Step 2: Convert to fraction form
    1,121,004,086.15/1,681,506,129.23 = 1,121,004,086.15/x
  3. Step 3: Cross multiply
    1,121,004,086.15x = 1,681,506,129.23 × 1,121,004,086.15
  4. Step 4: Simplify right side
    1,121,004,086.15x = 1,884,975,241,753,100,032
  5. Step 5: Solve for x
    x = 1,884,975,241,753,100,032/1,121,004,086.15
  6. Step 6: Final answer
    x = 1,681,506,129.23

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Double scale
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Similar ratio
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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.