Home / 20,481,122,281.04-28,263,798,276.36-11,570,289,108.56

Finding the Fourth Proportional to 20,481,122,281.04, 28,263,798,276.36 and 11,570,289,108.56

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Solution

The fourth proportional to 20,481,122,281.04, 28,263,798,276.36 and 11,570,289,108.56 is: 15,966,913,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,481,122,281.04 : 28,263,798,276.36 = 11,570,289,108.56 : x
  2. Step 2: Convert to fraction form
    20,481,122,281.04/28,263,798,276.36 = 11,570,289,108.56/x
  3. Step 3: Cross multiply
    20,481,122,281.04x = 28,263,798,276.36 × 11,570,289,108.56
  4. Step 4: Simplify right side
    20,481,122,281.04x = 327,020,317,363,505,004,544
  5. Step 5: Solve for x
    x = 327,020,317,363,505,004,544/20,481,122,281.04
  6. Step 6: Final answer
    x = 15,966,913,964.78

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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.