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Finding the Fourth Proportional to 590,097,910.80, 885,146,866.20 and 283,987,894.80

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Solution

The fourth proportional to 590,097,910.80, 885,146,866.20 and 283,987,894.80 is: 425,981,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,097,910.80 : 885,146,866.20 = 283,987,894.80 : x
  2. Step 2: Convert to fraction form
    590,097,910.80/885,146,866.20 = 283,987,894.80/x
  3. Step 3: Cross multiply
    590,097,910.80x = 885,146,866.20 × 283,987,894.80
  4. Step 4: Simplify right side
    590,097,910.80x = 251,370,995,120,955,296
  5. Step 5: Solve for x
    x = 251,370,995,120,955,296/590,097,910.80
  6. Step 6: Final answer
    x = 425,981,842.20

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Half scale
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Double scale
Find fourth proportional to 590,097,911.80, 885,146,867.70 and 283,987,895.80
Similar ratio
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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.