Home / 898,150,728.80-1,347,226,093.20-438,383,842.40

Finding the Fourth Proportional to 898,150,728.80, 1,347,226,093.20 and 438,383,842.40

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Solution

The fourth proportional to 898,150,728.80, 1,347,226,093.20 and 438,383,842.40 is: 657,575,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,150,728.80 : 1,347,226,093.20 = 438,383,842.40 : x
  2. Step 2: Convert to fraction form
    898,150,728.80/1,347,226,093.20 = 438,383,842.40/x
  3. Step 3: Cross multiply
    898,150,728.80x = 1,347,226,093.20 × 438,383,842.40
  4. Step 4: Simplify right side
    898,150,728.80x = 590,602,151,318,556,544
  5. Step 5: Solve for x
    x = 590,602,151,318,556,544/898,150,728.80
  6. Step 6: Final answer
    x = 657,575,763.60

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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.