Home / 298,064,720.14-411,329,333.57-165,902,880.40

Finding the Fourth Proportional to 298,064,720.14, 411,329,333.57 and 165,902,880.40

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Solution

The fourth proportional to 298,064,720.14, 411,329,333.57 and 165,902,880.40 is: 228,945,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,064,720.14 : 411,329,333.57 = 165,902,880.40 : x
  2. Step 2: Convert to fraction form
    298,064,720.14/411,329,333.57 = 165,902,880.40/x
  3. Step 3: Cross multiply
    298,064,720.14x = 411,329,333.57 × 165,902,880.40
  4. Step 4: Simplify right side
    298,064,720.14x = 68,240,721,232,275,416
  5. Step 5: Solve for x
    x = 68,240,721,232,275,416/298,064,720.14
  6. Step 6: Final answer
    x = 228,945,985.96

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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.