Home / 2,649,318,131.20-3,973,977,196.80-2,631,178,278.40

Finding the Fourth Proportional to 2,649,318,131.20, 3,973,977,196.80 and 2,631,178,278.40

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Solution

The fourth proportional to 2,649,318,131.20, 3,973,977,196.80 and 2,631,178,278.40 is: 3,946,767,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,318,131.20 : 3,973,977,196.80 = 2,631,178,278.40 : x
  2. Step 2: Convert to fraction form
    2,649,318,131.20/3,973,977,196.80 = 2,631,178,278.40/x
  3. Step 3: Cross multiply
    2,649,318,131.20x = 3,973,977,196.80 × 2,631,178,278.40
  4. Step 4: Simplify right side
    2,649,318,131.20x = 10,456,242,479,077,083,136
  5. Step 5: Solve for x
    x = 10,456,242,479,077,083,136/2,649,318,131.20
  6. Step 6: Final answer
    x = 3,946,767,417.60

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Double scale
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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.