Home / 621,082,521.60-931,493,145.60-314,086,041.60

Finding the Fourth Proportional to 621,082,521.60, 931,493,145.60 and 314,086,041.60

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Solution

The fourth proportional to 621,082,521.60, 931,493,145.60 and 314,086,041.60 is: 471,062,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,082,521.60 : 931,493,145.60 = 314,086,041.60 : x
  2. Step 2: Convert to fraction form
    621,082,521.60/931,493,145.60 = 314,086,041.60/x
  3. Step 3: Cross multiply
    621,082,521.60x = 931,493,145.60 × 314,086,041.60
  4. Step 4: Simplify right side
    621,082,521.60x = 292,568,994,879,036,480
  5. Step 5: Solve for x
    x = 292,568,994,879,036,480/621,082,521.60
  6. Step 6: Final answer
    x = 471,062,998.40

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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.