Home / 994,556,939.40-1,488,965,627.70-879,765,683.40

Finding the Fourth Proportional to 994,556,939.40, 1,488,965,627.70 and 879,765,683.40

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Solution

The fourth proportional to 994,556,939.40, 1,488,965,627.70 and 879,765,683.40 is: 1,317,109,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,556,939.40 : 1,488,965,627.70 = 879,765,683.40 : x
  2. Step 2: Convert to fraction form
    994,556,939.40/1,488,965,627.70 = 879,765,683.40/x
  3. Step 3: Cross multiply
    994,556,939.40x = 1,488,965,627.70 × 879,765,683.40
  4. Step 4: Simplify right side
    994,556,939.40x = 1,309,940,863,012,600,576
  5. Step 5: Solve for x
    x = 1,309,940,863,012,600,576/994,556,939.40
  6. Step 6: Final answer
    x = 1,317,109,972.41

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1.5x scale

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.