Home / 1,430,785,256.40-2,146,177,884.60-1,340,085,992.40

Finding the Fourth Proportional to 1,430,785,256.40, 2,146,177,884.60 and 1,340,085,992.40

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Solution

The fourth proportional to 1,430,785,256.40, 2,146,177,884.60 and 1,340,085,992.40 is: 2,010,128,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,785,256.40 : 2,146,177,884.60 = 1,340,085,992.40 : x
  2. Step 2: Convert to fraction form
    1,430,785,256.40/2,146,177,884.60 = 1,340,085,992.40/x
  3. Step 3: Cross multiply
    1,430,785,256.40x = 2,146,177,884.60 × 1,340,085,992.40
  4. Step 4: Simplify right side
    1,430,785,256.40x = 2,876,062,920,351,123,968
  5. Step 5: Solve for x
    x = 2,876,062,920,351,123,968/1,430,785,256.40
  6. Step 6: Final answer
    x = 2,010,128,988.60

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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.