Home / 512,370,486.57-707,071,605.08-277,421,306.21

Finding the Fourth Proportional to 512,370,486.57, 707,071,605.08 and 277,421,306.21

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Solution

The fourth proportional to 512,370,486.57, 707,071,605.08 and 277,421,306.21 is: 382,841,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,370,486.57 : 707,071,605.08 = 277,421,306.21 : x
  2. Step 2: Convert to fraction form
    512,370,486.57/707,071,605.08 = 277,421,306.21/x
  3. Step 3: Cross multiply
    512,370,486.57x = 707,071,605.08 × 277,421,306.21
  4. Step 4: Simplify right side
    512,370,486.57x = 196,156,728,260,372,416
  5. Step 5: Solve for x
    x = 196,156,728,260,372,416/512,370,486.57
  6. Step 6: Final answer
    x = 382,841,583.19

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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.