Home / 1,533,892,040.80-2,300,838,061.20-1,278,800,360.80

Finding the Fourth Proportional to 1,533,892,040.80, 2,300,838,061.20 and 1,278,800,360.80

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Solution

The fourth proportional to 1,533,892,040.80, 2,300,838,061.20 and 1,278,800,360.80 is: 1,918,200,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,892,040.80 : 2,300,838,061.20 = 1,278,800,360.80 : x
  2. Step 2: Convert to fraction form
    1,533,892,040.80/2,300,838,061.20 = 1,278,800,360.80/x
  3. Step 3: Cross multiply
    1,533,892,040.80x = 2,300,838,061.20 × 1,278,800,360.80
  4. Step 4: Simplify right side
    1,533,892,040.80x = 2,942,312,542,804,932,096
  5. Step 5: Solve for x
    x = 2,942,312,542,804,932,096/1,533,892,040.80
  6. Step 6: Final answer
    x = 1,918,200,541.20

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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.