Home / 1,188,006,926.40-1,782,010,389.60-943,118,913.60

Finding the Fourth Proportional to 1,188,006,926.40, 1,782,010,389.60 and 943,118,913.60

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Solution

The fourth proportional to 1,188,006,926.40, 1,782,010,389.60 and 943,118,913.60 is: 1,414,678,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,006,926.40 : 1,782,010,389.60 = 943,118,913.60 : x
  2. Step 2: Convert to fraction form
    1,188,006,926.40/1,782,010,389.60 = 943,118,913.60/x
  3. Step 3: Cross multiply
    1,188,006,926.40x = 1,782,010,389.60 × 943,118,913.60
  4. Step 4: Simplify right side
    1,188,006,926.40x = 1,680,647,702,663,464,704
  5. Step 5: Solve for x
    x = 1,680,647,702,663,464,704/1,188,006,926.40
  6. Step 6: Final answer
    x = 1,414,678,370.40

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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.