Home / 1,224,760,510.80-1,837,140,766.20-1,098,490,129.20

Finding the Fourth Proportional to 1,224,760,510.80, 1,837,140,766.20 and 1,098,490,129.20

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Solution

The fourth proportional to 1,224,760,510.80, 1,837,140,766.20 and 1,098,490,129.20 is: 1,647,735,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,760,510.80 : 1,837,140,766.20 = 1,098,490,129.20 : x
  2. Step 2: Convert to fraction form
    1,224,760,510.80/1,837,140,766.20 = 1,098,490,129.20/x
  3. Step 3: Cross multiply
    1,224,760,510.80x = 1,837,140,766.20 × 1,098,490,129.20
  4. Step 4: Simplify right side
    1,224,760,510.80x = 2,018,080,997,621,625,088
  5. Step 5: Solve for x
    x = 2,018,080,997,621,625,088/1,224,760,510.80
  6. Step 6: Final answer
    x = 1,647,735,193.80

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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.