Home / 1,427,584,977.80-2,136,599,892.30-997,603,281.80

Finding the Fourth Proportional to 1,427,584,977.80, 2,136,599,892.30 and 997,603,281.80

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Solution

The fourth proportional to 1,427,584,977.80, 2,136,599,892.30 and 997,603,281.80 is: 1,493,066,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,584,977.80 : 2,136,599,892.30 = 997,603,281.80 : x
  2. Step 2: Convert to fraction form
    1,427,584,977.80/2,136,599,892.30 = 997,603,281.80/x
  3. Step 3: Cross multiply
    1,427,584,977.80x = 2,136,599,892.30 × 997,603,281.80
  4. Step 4: Simplify right side
    1,427,584,977.80x = 2,131,479,064,452,006,400
  5. Step 5: Solve for x
    x = 2,131,479,064,452,006,400/1,427,584,977.80
  6. Step 6: Final answer
    x = 1,493,066,330.62

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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.