Home / 511,575,380.23-767,069,330.73-200,318,565.91

Finding the Fourth Proportional to 511,575,380.23, 767,069,330.73 and 200,318,565.91

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Solution

The fourth proportional to 511,575,380.23, 767,069,330.73 and 200,318,565.91 is: 300,362,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,575,380.23 : 767,069,330.73 = 200,318,565.91 : x
  2. Step 2: Convert to fraction form
    511,575,380.23/767,069,330.73 = 200,318,565.91/x
  3. Step 3: Cross multiply
    511,575,380.23x = 767,069,330.73 × 200,318,565.91
  4. Step 4: Simplify right side
    511,575,380.23x = 153,658,228,287,795,552
  5. Step 5: Solve for x
    x = 153,658,228,287,795,552/511,575,380.23
  6. Step 6: Final answer
    x = 300,362,828.68

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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.