Home / 12,011,976,010.40-18,017,964,015.60-12,011,976,010.40

Finding the Fourth Proportional to 12,011,976,010.40, 18,017,964,015.60 and 12,011,976,010.40

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Solution

The fourth proportional to 12,011,976,010.40, 18,017,964,015.60 and 12,011,976,010.40 is: 18,017,964,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,976,010.40 : 18,017,964,015.60 = 12,011,976,010.40 : x
  2. Step 2: Convert to fraction form
    12,011,976,010.40/18,017,964,015.60 = 12,011,976,010.40/x
  3. Step 3: Cross multiply
    12,011,976,010.40x = 18,017,964,015.60 × 12,011,976,010.40
  4. Step 4: Simplify right side
    12,011,976,010.40x = 216,431,351,511,637,622,784
  5. Step 5: Solve for x
    x = 216,431,351,511,637,622,784/12,011,976,010.40
  6. Step 6: Final answer
    x = 18,017,964,015.60

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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.