Home / 2,148,769,097.80-3,223,153,646.70-768,628,630.60

Finding the Fourth Proportional to 2,148,769,097.80, 3,223,153,646.70 and 768,628,630.60

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Solution

The fourth proportional to 2,148,769,097.80, 3,223,153,646.70 and 768,628,630.60 is: 1,152,942,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,769,097.80 : 3,223,153,646.70 = 768,628,630.60 : x
  2. Step 2: Convert to fraction form
    2,148,769,097.80/3,223,153,646.70 = 768,628,630.60/x
  3. Step 3: Cross multiply
    2,148,769,097.80x = 3,223,153,646.70 × 768,628,630.60
  4. Step 4: Simplify right side
    2,148,769,097.80x = 2,477,408,173,676,417,024
  5. Step 5: Solve for x
    x = 2,477,408,173,676,417,024/2,148,769,097.80
  6. Step 6: Final answer
    x = 1,152,942,945.90

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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.