Home / 20,154,480,243.27-27,813,850,749.31-10,999,510,357.08

Finding the Fourth Proportional to 20,154,480,243.27, 27,813,850,749.31 and 10,999,510,357.08

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Solution

The fourth proportional to 20,154,480,243.27, 27,813,850,749.31 and 10,999,510,357.08 is: 15,179,688,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,480,243.27 : 27,813,850,749.31 = 10,999,510,357.08 : x
  2. Step 2: Convert to fraction form
    20,154,480,243.27/27,813,850,749.31 = 10,999,510,357.08/x
  3. Step 3: Cross multiply
    20,154,480,243.27x = 27,813,850,749.31 × 10,999,510,357.08
  4. Step 4: Simplify right side
    20,154,480,243.27x = 305,938,739,387,306,868,736
  5. Step 5: Solve for x
    x = 305,938,739,387,306,868,736/20,154,480,243.27
  6. Step 6: Final answer
    x = 15,179,688,867.91

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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.