Home / 1,221,247,094.57-1,681,066,167.58-1,064,344,453.73

Finding the Fourth Proportional to 1,221,247,094.57, 1,681,066,167.58 and 1,064,344,453.73

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Solution

The fourth proportional to 1,221,247,094.57, 1,681,066,167.58 and 1,064,344,453.73 is: 1,465,087,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,247,094.57 : 1,681,066,167.58 = 1,064,344,453.73 : x
  2. Step 2: Convert to fraction form
    1,221,247,094.57/1,681,066,167.58 = 1,064,344,453.73/x
  3. Step 3: Cross multiply
    1,221,247,094.57x = 1,681,066,167.58 × 1,064,344,453.73
  4. Step 4: Simplify right side
    1,221,247,094.57x = 1,789,233,451,822,613,504
  5. Step 5: Solve for x
    x = 1,789,233,451,822,613,504/1,221,247,094.57
  6. Step 6: Final answer
    x = 1,465,087,171.77

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Double scale
Find fourth proportional to 1,221,247,095.57, 1,681,066,168.95 and 1,064,344,454.73
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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.