Home / 921,540,354.40-1,383,294,202.40-397,168,239.40

Finding the Fourth Proportional to 921,540,354.40, 1,383,294,202.40 and 397,168,239.40

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Solution

The fourth proportional to 921,540,354.40, 1,383,294,202.40 and 397,168,239.40 is: 596,176,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,540,354.40 : 1,383,294,202.40 = 397,168,239.40 : x
  2. Step 2: Convert to fraction form
    921,540,354.40/1,383,294,202.40 = 397,168,239.40/x
  3. Step 3: Cross multiply
    921,540,354.40x = 1,383,294,202.40 × 397,168,239.40
  4. Step 4: Simplify right side
    921,540,354.40x = 549,400,522,939,435,264
  5. Step 5: Solve for x
    x = 549,400,522,939,435,264/921,540,354.40
  6. Step 6: Final answer
    x = 596,176,304.51

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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.