Home / 649,326,830.23-973,976,599.48-158,042,840.79

Finding the Fourth Proportional to 649,326,830.23, 973,976,599.48 and 158,042,840.79

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Solution

The fourth proportional to 649,326,830.23, 973,976,599.48 and 158,042,840.79 is: 237,060,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,326,830.23 : 973,976,599.48 = 158,042,840.79 : x
  2. Step 2: Convert to fraction form
    649,326,830.23/973,976,599.48 = 158,042,840.79/x
  3. Step 3: Cross multiply
    649,326,830.23x = 973,976,599.48 × 158,042,840.79
  4. Step 4: Simplify right side
    649,326,830.23x = 153,930,028,645,000,800
  5. Step 5: Solve for x
    x = 153,930,028,645,000,800/649,326,830.23
  6. Step 6: Final answer
    x = 237,060,939.85

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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.