Home / 1,617,050,446.40-2,425,575,902.40-390,218,902.40

Finding the Fourth Proportional to 1,617,050,446.40, 2,425,575,902.40 and 390,218,902.40

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Solution

The fourth proportional to 1,617,050,446.40, 2,425,575,902.40 and 390,218,902.40 is: 585,328,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,050,446.40 : 2,425,575,902.40 = 390,218,902.40 : x
  2. Step 2: Convert to fraction form
    1,617,050,446.40/2,425,575,902.40 = 390,218,902.40/x
  3. Step 3: Cross multiply
    1,617,050,446.40x = 2,425,575,902.40 × 390,218,902.40
  4. Step 4: Simplify right side
    1,617,050,446.40x = 946,505,566,322,417,536
  5. Step 5: Solve for x
    x = 946,505,566,322,417,536/1,617,050,446.40
  6. Step 6: Final answer
    x = 585,328,409.78

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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.