Home / 10,637,568,007.20-15,956,352,010.80-10,528,728,890.40

Finding the Fourth Proportional to 10,637,568,007.20, 15,956,352,010.80 and 10,528,728,890.40

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Solution

The fourth proportional to 10,637,568,007.20, 15,956,352,010.80 and 10,528,728,890.40 is: 15,793,093,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637,568,007.20 : 15,956,352,010.80 = 10,528,728,890.40 : x
  2. Step 2: Convert to fraction form
    10,637,568,007.20/15,956,352,010.80 = 10,528,728,890.40/x
  3. Step 3: Cross multiply
    10,637,568,007.20x = 15,956,352,010.80 × 10,528,728,890.40
  4. Step 4: Simplify right side
    10,637,568,007.20x = 168,000,104,401,502,076,928
  5. Step 5: Solve for x
    x = 168,000,104,401,502,076,928/10,637,568,007.20
  6. Step 6: Final answer
    x = 15,793,093,335.60

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Double scale
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Similar ratio
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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.