Home / 12,127,644,266.40-18,191,466,399.60-2,936,785,514.40

Finding the Fourth Proportional to 12,127,644,266.40, 18,191,466,399.60 and 2,936,785,514.40

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Solution

The fourth proportional to 12,127,644,266.40, 18,191,466,399.60 and 2,936,785,514.40 is: 4,405,178,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,644,266.40 : 18,191,466,399.60 = 2,936,785,514.40 : x
  2. Step 2: Convert to fraction form
    12,127,644,266.40/18,191,466,399.60 = 2,936,785,514.40/x
  3. Step 3: Cross multiply
    12,127,644,266.40x = 18,191,466,399.60 × 2,936,785,514.40
  4. Step 4: Simplify right side
    12,127,644,266.40x = 53,424,435,008,039,600,128
  5. Step 5: Solve for x
    x = 53,424,435,008,039,600,128/12,127,644,266.40
  6. Step 6: Final answer
    x = 4,405,178,271.60

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Double scale
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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.