Home / 20,167,284,585.60-30,250,926,878.40-12,838,784,054.40

Finding the Fourth Proportional to 20,167,284,585.60, 30,250,926,878.40 and 12,838,784,054.40

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Solution

The fourth proportional to 20,167,284,585.60, 30,250,926,878.40 and 12,838,784,054.40 is: 19,258,176,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167,284,585.60 : 30,250,926,878.40 = 12,838,784,054.40 : x
  2. Step 2: Convert to fraction form
    20,167,284,585.60/30,250,926,878.40 = 12,838,784,054.40/x
  3. Step 3: Cross multiply
    20,167,284,585.60x = 30,250,926,878.40 × 12,838,784,054.40
  4. Step 4: Simplify right side
    20,167,284,585.60x = 388,385,117,637,222,268,928
  5. Step 5: Solve for x
    x = 388,385,117,637,222,268,928/20,167,284,585.60
  6. Step 6: Final answer
    x = 19,258,176,081.60

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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.