Home / 298,064,720.40-411,329,333.89-165,902,880.65

Finding the Fourth Proportional to 298,064,720.40, 411,329,333.89 and 165,902,880.65

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Solution

The fourth proportional to 298,064,720.40, 411,329,333.89 and 165,902,880.65 is: 228,945,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,064,720.40 : 411,329,333.89 = 165,902,880.65 : x
  2. Step 2: Convert to fraction form
    298,064,720.40/411,329,333.89 = 165,902,880.65/x
  3. Step 3: Cross multiply
    298,064,720.40x = 411,329,333.89 × 165,902,880.65
  4. Step 4: Simplify right side
    298,064,720.40x = 68,240,721,386,347,408
  5. Step 5: Solve for x
    x = 68,240,721,386,347,408/298,064,720.40
  6. Step 6: Final answer
    x = 228,945,986.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.