Home / 2,991,816,200.40-4,487,724,300.60-1,889,820,142.80

Finding the Fourth Proportional to 2,991,816,200.40, 4,487,724,300.60 and 1,889,820,142.80

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Solution

The fourth proportional to 2,991,816,200.40, 4,487,724,300.60 and 1,889,820,142.80 is: 2,834,730,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,816,200.40 : 4,487,724,300.60 = 1,889,820,142.80 : x
  2. Step 2: Convert to fraction form
    2,991,816,200.40/4,487,724,300.60 = 1,889,820,142.80/x
  3. Step 3: Cross multiply
    2,991,816,200.40x = 4,487,724,300.60 × 1,889,820,142.80
  4. Step 4: Simplify right side
    2,991,816,200.40x = 8,480,991,778,606,922,752
  5. Step 5: Solve for x
    x = 8,480,991,778,606,922,752/2,991,816,200.40
  6. Step 6: Final answer
    x = 2,834,730,214.20

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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.