Home / 512,370,454.48-707,071,560.80-277,421,274.11

Finding the Fourth Proportional to 512,370,454.48, 707,071,560.80 and 277,421,274.11

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Solution

The fourth proportional to 512,370,454.48, 707,071,560.80 and 277,421,274.11 is: 382,841,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,370,454.48 : 707,071,560.80 = 277,421,274.11 : x
  2. Step 2: Convert to fraction form
    512,370,454.48/707,071,560.80 = 277,421,274.11/x
  3. Step 3: Cross multiply
    512,370,454.48x = 707,071,560.80 × 277,421,274.11
  4. Step 4: Simplify right side
    512,370,454.48x = 196,156,693,285,503,264
  5. Step 5: Solve for x
    x = 196,156,693,285,503,264/512,370,454.48
  6. Step 6: Final answer
    x = 382,841,538.91

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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.