Home / 1,994,544,148.80-2,991,816,223.20-540,521,572.80

Finding the Fourth Proportional to 1,994,544,148.80, 2,991,816,223.20 and 540,521,572.80

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Solution

The fourth proportional to 1,994,544,148.80, 2,991,816,223.20 and 540,521,572.80 is: 810,782,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,544,148.80 : 2,991,816,223.20 = 540,521,572.80 : x
  2. Step 2: Convert to fraction form
    1,994,544,148.80/2,991,816,223.20 = 540,521,572.80/x
  3. Step 3: Cross multiply
    1,994,544,148.80x = 2,991,816,223.20 × 540,521,572.80
  4. Step 4: Simplify right side
    1,994,544,148.80x = 1,617,141,210,492,619,520
  5. Step 5: Solve for x
    x = 1,617,141,210,492,619,520/1,994,544,148.80
  6. Step 6: Final answer
    x = 810,782,359.20

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Double scale
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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.