Home / 939,730,226.40-1,409,595,339.60-800,658,021.60

Finding the Fourth Proportional to 939,730,226.40, 1,409,595,339.60 and 800,658,021.60

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Solution

The fourth proportional to 939,730,226.40, 1,409,595,339.60 and 800,658,021.60 is: 1,200,987,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,730,226.40 : 1,409,595,339.60 = 800,658,021.60 : x
  2. Step 2: Convert to fraction form
    939,730,226.40/1,409,595,339.60 = 800,658,021.60/x
  3. Step 3: Cross multiply
    939,730,226.40x = 1,409,595,339.60 × 800,658,021.60
  4. Step 4: Simplify right side
    939,730,226.40x = 1,128,603,815,860,716,032
  5. Step 5: Solve for x
    x = 1,128,603,815,860,716,032/939,730,226.40
  6. Step 6: Final answer
    x = 1,200,987,032.40

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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.