Home / 655,842,557,200.80-983,763,835,801.20-391,145,825,143.20

Finding the Fourth Proportional to 655,842,557,200.80, 983,763,835,801.20 and 391,145,825,143.20

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Solution

The fourth proportional to 655,842,557,200.80, 983,763,835,801.20 and 391,145,825,143.20 is: 586,718,737,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,842,557,200.80 : 983,763,835,801.20 = 391,145,825,143.20 : x
  2. Step 2: Convert to fraction form
    655,842,557,200.80/983,763,835,801.20 = 391,145,825,143.20/x
  3. Step 3: Cross multiply
    655,842,557,200.80x = 983,763,835,801.20 × 391,145,825,143.20
  4. Step 4: Simplify right side
    655,842,557,200.80x = 384,795,117,300,499,898,957,824
  5. Step 5: Solve for x
    x = 384,795,117,300,499,898,957,824/655,842,557,200.80
  6. Step 6: Final answer
    x = 586,718,737,714.80

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Double scale
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1.5x scale

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.