Home / 20,178,181,206.40-30,267,271,809.60-13,566,204,860.80

Finding the Fourth Proportional to 20,178,181,206.40, 30,267,271,809.60 and 13,566,204,860.80

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Solution

The fourth proportional to 20,178,181,206.40, 30,267,271,809.60 and 13,566,204,860.80 is: 20,349,307,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,181,206.40 : 30,267,271,809.60 = 13,566,204,860.80 : x
  2. Step 2: Convert to fraction form
    20,178,181,206.40/30,267,271,809.60 = 13,566,204,860.80/x
  3. Step 3: Cross multiply
    20,178,181,206.40x = 30,267,271,809.60 × 13,566,204,860.80
  4. Step 4: Simplify right side
    20,178,181,206.40x = 410,612,009,946,550,304,768
  5. Step 5: Solve for x
    x = 410,612,009,946,550,304,768/20,178,181,206.40
  6. Step 6: Final answer
    x = 20,349,307,291.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.