Home / 3,498,321,816.80-5,249,498,264.40-1,318,852,095.20

Finding the Fourth Proportional to 3,498,321,816.80, 5,249,498,264.40 and 1,318,852,095.20

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Solution

The fourth proportional to 3,498,321,816.80, 5,249,498,264.40 and 1,318,852,095.20 is: 1,979,037,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498,321,816.80 : 5,249,498,264.40 = 1,318,852,095.20 : x
  2. Step 2: Convert to fraction form
    3,498,321,816.80/5,249,498,264.40 = 1,318,852,095.20/x
  3. Step 3: Cross multiply
    3,498,321,816.80x = 5,249,498,264.40 × 1,318,852,095.20
  4. Step 4: Simplify right side
    3,498,321,816.80x = 6,923,311,784,752,703,488
  5. Step 5: Solve for x
    x = 6,923,311,784,752,703,488/3,498,321,816.80
  6. Step 6: Final answer
    x = 1,979,037,992.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.