Home / 13,052,189,965.08-18,012,024,743.94-7,111,742,467.08

Finding the Fourth Proportional to 13,052,189,965.08, 18,012,024,743.94 and 7,111,742,467.08

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Solution

The fourth proportional to 13,052,189,965.08, 18,012,024,743.94 and 7,111,742,467.08 is: 9,814,206,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,189,965.08 : 18,012,024,743.94 = 7,111,742,467.08 : x
  2. Step 2: Convert to fraction form
    13,052,189,965.08/18,012,024,743.94 = 7,111,742,467.08/x
  3. Step 3: Cross multiply
    13,052,189,965.08x = 18,012,024,743.94 × 7,111,742,467.08
  4. Step 4: Simplify right side
    13,052,189,965.08x = 128,096,881,289,573,842,944
  5. Step 5: Solve for x
    x = 128,096,881,289,573,842,944/13,052,189,965.08
  6. Step 6: Final answer
    x = 9,814,206,016.94

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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.