Home / 2,911,758,758.40-4,367,638,137.60-1,619,294,246.40

Finding the Fourth Proportional to 2,911,758,758.40, 4,367,638,137.60 and 1,619,294,246.40

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Solution

The fourth proportional to 2,911,758,758.40, 4,367,638,137.60 and 1,619,294,246.40 is: 2,428,941,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,758,758.40 : 4,367,638,137.60 = 1,619,294,246.40 : x
  2. Step 2: Convert to fraction form
    2,911,758,758.40/4,367,638,137.60 = 1,619,294,246.40/x
  3. Step 3: Cross multiply
    2,911,758,758.40x = 4,367,638,137.60 × 1,619,294,246.40
  4. Step 4: Simplify right side
    2,911,758,758.40x = 7,072,491,306,572,892,160
  5. Step 5: Solve for x
    x = 7,072,491,306,572,892,160/2,911,758,758.40
  6. Step 6: Final answer
    x = 2,428,941,369.60

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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.