Home / 2,612,938,694.60-3,919,408,041.90-1,645,479,878.60

Finding the Fourth Proportional to 2,612,938,694.60, 3,919,408,041.90 and 1,645,479,878.60

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Solution

The fourth proportional to 2,612,938,694.60, 3,919,408,041.90 and 1,645,479,878.60 is: 2,468,219,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,938,694.60 : 3,919,408,041.90 = 1,645,479,878.60 : x
  2. Step 2: Convert to fraction form
    2,612,938,694.60/3,919,408,041.90 = 1,645,479,878.60/x
  3. Step 3: Cross multiply
    2,612,938,694.60x = 3,919,408,041.90 × 1,645,479,878.60
  4. Step 4: Simplify right side
    2,612,938,694.60x = 6,449,307,068,969,475,072
  5. Step 5: Solve for x
    x = 6,449,307,068,969,475,072/2,612,938,694.60
  6. Step 6: Final answer
    x = 2,468,219,817.90

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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.