Home / 828,800,150.40-1,243,648,123.20-368,809,315.20

Finding the Fourth Proportional to 828,800,150.40, 1,243,648,123.20 and 368,809,315.20

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Solution

The fourth proportional to 828,800,150.40, 1,243,648,123.20 and 368,809,315.20 is: 553,413,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,800,150.40 : 1,243,648,123.20 = 368,809,315.20 : x
  2. Step 2: Convert to fraction form
    828,800,150.40/1,243,648,123.20 = 368,809,315.20/x
  3. Step 3: Cross multiply
    828,800,150.40x = 1,243,648,123.20 × 368,809,315.20
  4. Step 4: Simplify right side
    828,800,150.40x = 458,669,012,667,157,248
  5. Step 5: Solve for x
    x = 458,669,012,667,157,248/828,800,150.40
  6. Step 6: Final answer
    x = 553,413,283.58

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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.