Home / 1,520,209,486.40-2,280,314,229.60-936,049,539.20

Finding the Fourth Proportional to 1,520,209,486.40, 2,280,314,229.60 and 936,049,539.20

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Solution

The fourth proportional to 1,520,209,486.40, 2,280,314,229.60 and 936,049,539.20 is: 1,404,074,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,209,486.40 : 2,280,314,229.60 = 936,049,539.20 : x
  2. Step 2: Convert to fraction form
    1,520,209,486.40/2,280,314,229.60 = 936,049,539.20/x
  3. Step 3: Cross multiply
    1,520,209,486.40x = 2,280,314,229.60 × 936,049,539.20
  4. Step 4: Simplify right side
    1,520,209,486.40x = 2,134,487,083,848,283,136
  5. Step 5: Solve for x
    x = 2,134,487,083,848,283,136/1,520,209,486.40
  6. Step 6: Final answer
    x = 1,404,074,308.80

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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.