Home / 19,681,483,947.40-27,160,430,160.90-11,109,715,245.64

Finding the Fourth Proportional to 19,681,483,947.40, 27,160,430,160.90 and 11,109,715,245.64

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Solution

The fourth proportional to 19,681,483,947.40, 27,160,430,160.90 and 11,109,715,245.64 is: 15,331,397,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,483,947.40 : 27,160,430,160.90 = 11,109,715,245.64 : x
  2. Step 2: Convert to fraction form
    19,681,483,947.40/27,160,430,160.90 = 11,109,715,245.64/x
  3. Step 3: Cross multiply
    19,681,483,947.40x = 27,160,430,160.90 × 11,109,715,245.64
  4. Step 4: Simplify right side
    19,681,483,947.40x = 301,744,645,036,691,226,624
  5. Step 5: Solve for x
    x = 301,744,645,036,691,226,624/19,681,483,947.40
  6. Step 6: Final answer
    x = 15,331,397,055.38

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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.