Home / 1,213,735,525.28-1,820,397,942.38-340,135,833.50

Finding the Fourth Proportional to 1,213,735,525.28, 1,820,397,942.38 and 340,135,833.50

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Solution

The fourth proportional to 1,213,735,525.28, 1,820,397,942.38 and 340,135,833.50 is: 510,146,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,735,525.28 : 1,820,397,942.38 = 340,135,833.50 : x
  2. Step 2: Convert to fraction form
    1,213,735,525.28/1,820,397,942.38 = 340,135,833.50/x
  3. Step 3: Cross multiply
    1,213,735,525.28x = 1,820,397,942.38 × 340,135,833.50
  4. Step 4: Simplify right side
    1,213,735,525.28x = 619,182,571,424,854,656
  5. Step 5: Solve for x
    x = 619,182,571,424,854,656/1,213,735,525.28
  6. Step 6: Final answer
    x = 510,146,204.45

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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.