Home / 298,680,830.40-448,021,245.60-238,214,654.40

Finding the Fourth Proportional to 298,680,830.40, 448,021,245.60 and 238,214,654.40

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Solution

The fourth proportional to 298,680,830.40, 448,021,245.60 and 238,214,654.40 is: 357,321,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,680,830.40 : 448,021,245.60 = 238,214,654.40 : x
  2. Step 2: Convert to fraction form
    298,680,830.40/448,021,245.60 = 238,214,654.40/x
  3. Step 3: Cross multiply
    298,680,830.40x = 448,021,245.60 × 238,214,654.40
  4. Step 4: Simplify right side
    298,680,830.40x = 106,725,226,184,461,536
  5. Step 5: Solve for x
    x = 106,725,226,184,461,536/298,680,830.40
  6. Step 6: Final answer
    x = 357,321,981.60

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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.