Home / 21,830,448,186.87-30,126,109,263.44-11,805,943,030.35

Finding the Fourth Proportional to 21,830,448,186.87, 30,126,109,263.44 and 11,805,943,030.35

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Solution

The fourth proportional to 21,830,448,186.87, 30,126,109,263.44 and 11,805,943,030.35 is: 16,292,250,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,830,448,186.87 : 30,126,109,263.44 = 11,805,943,030.35 : x
  2. Step 2: Convert to fraction form
    21,830,448,186.87/30,126,109,263.44 = 11,805,943,030.35/x
  3. Step 3: Cross multiply
    21,830,448,186.87x = 30,126,109,263.44 × 11,805,943,030.35
  4. Step 4: Simplify right side
    21,830,448,186.87x = 355,667,129,690,213,056,512
  5. Step 5: Solve for x
    x = 355,667,129,690,213,056,512/21,830,448,186.87
  6. Step 6: Final answer
    x = 16,292,250,468.05

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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.