Home / 691,216,998.33-1,036,826,495.39-282,273,148.83

Finding the Fourth Proportional to 691,216,998.33, 1,036,826,495.39 and 282,273,148.83

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Solution

The fourth proportional to 691,216,998.33, 1,036,826,495.39 and 282,273,148.83 is: 423,410,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,216,998.33 : 1,036,826,495.39 = 282,273,148.83 : x
  2. Step 2: Convert to fraction form
    691,216,998.33/1,036,826,495.39 = 282,273,148.83/x
  3. Step 3: Cross multiply
    691,216,998.33x = 1,036,826,495.39 × 282,273,148.83
  4. Step 4: Simplify right side
    691,216,998.33x = 292,668,279,642,697,408
  5. Step 5: Solve for x
    x = 292,668,279,642,697,408/691,216,998.33
  6. Step 6: Final answer
    x = 423,410,130.75

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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.