Home / 1,236,819,340.40-1,855,452,959.40-621,855,935.60

Finding the Fourth Proportional to 1,236,819,340.40, 1,855,452,959.40 and 621,855,935.60

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Solution

The fourth proportional to 1,236,819,340.40, 1,855,452,959.40 and 621,855,935.60 is: 932,896,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,819,340.40 : 1,855,452,959.40 = 621,855,935.60 : x
  2. Step 2: Convert to fraction form
    1,236,819,340.40/1,855,452,959.40 = 621,855,935.60/x
  3. Step 3: Cross multiply
    1,236,819,340.40x = 1,855,452,959.40 × 621,855,935.60
  4. Step 4: Simplify right side
    1,236,819,340.40x = 1,153,824,436,029,475,840
  5. Step 5: Solve for x
    x = 1,153,824,436,029,475,840/1,236,819,340.40
  6. Step 6: Final answer
    x = 932,896,501.81

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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.