Home / 3,498,321,820.80-5,249,498,270.40-1,318,852,099.20

Finding the Fourth Proportional to 3,498,321,820.80, 5,249,498,270.40 and 1,318,852,099.20

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Solution

The fourth proportional to 3,498,321,820.80, 5,249,498,270.40 and 1,318,852,099.20 is: 1,979,037,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498,321,820.80 : 5,249,498,270.40 = 1,318,852,099.20 : x
  2. Step 2: Convert to fraction form
    3,498,321,820.80/5,249,498,270.40 = 1,318,852,099.20/x
  3. Step 3: Cross multiply
    3,498,321,820.80x = 5,249,498,270.40 × 1,318,852,099.20
  4. Step 4: Simplify right side
    3,498,321,820.80x = 6,923,311,813,663,808,512
  5. Step 5: Solve for x
    x = 6,923,311,813,663,808,512/3,498,321,820.80
  6. Step 6: Final answer
    x = 1,979,037,998.31

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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.