Home / 899,136,271.20-1,348,704,406.80-576,649,999.20

Finding the Fourth Proportional to 899,136,271.20, 1,348,704,406.80 and 576,649,999.20

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Solution

The fourth proportional to 899,136,271.20, 1,348,704,406.80 and 576,649,999.20 is: 864,974,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,136,271.20 : 1,348,704,406.80 = 576,649,999.20 : x
  2. Step 2: Convert to fraction form
    899,136,271.20/1,348,704,406.80 = 576,649,999.20/x
  3. Step 3: Cross multiply
    899,136,271.20x = 1,348,704,406.80 × 576,649,999.20
  4. Step 4: Simplify right side
    899,136,271.20x = 777,730,395,102,256,512
  5. Step 5: Solve for x
    x = 777,730,395,102,256,512/899,136,271.20
  6. Step 6: Final answer
    x = 864,974,998.80

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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.