Home / 1,994,544,038.40-2,991,816,057.60-1,328,754,753.60

Finding the Fourth Proportional to 1,994,544,038.40, 2,991,816,057.60 and 1,328,754,753.60

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Solution

The fourth proportional to 1,994,544,038.40, 2,991,816,057.60 and 1,328,754,753.60 is: 1,993,132,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,544,038.40 : 2,991,816,057.60 = 1,328,754,753.60 : x
  2. Step 2: Convert to fraction form
    1,994,544,038.40/2,991,816,057.60 = 1,328,754,753.60/x
  3. Step 3: Cross multiply
    1,994,544,038.40x = 2,991,816,057.60 × 1,328,754,753.60
  4. Step 4: Simplify right side
    1,994,544,038.40x = 3,975,389,808,432,811,008
  5. Step 5: Solve for x
    x = 3,975,389,808,432,811,008/1,994,544,038.40
  6. Step 6: Final answer
    x = 1,993,132,130.40

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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.