Home / 885,346,354.22-1,221,336,677.67-527,862,010.56

Finding the Fourth Proportional to 885,346,354.22, 1,221,336,677.67 and 527,862,010.56

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Solution

The fourth proportional to 885,346,354.22, 1,221,336,677.67 and 527,862,010.56 is: 728,186,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,346,354.22 : 1,221,336,677.67 = 527,862,010.56 : x
  2. Step 2: Convert to fraction form
    885,346,354.22/1,221,336,677.67 = 527,862,010.56/x
  3. Step 3: Cross multiply
    885,346,354.22x = 1,221,336,677.67 × 527,862,010.56
  4. Step 4: Simplify right side
    885,346,354.22x = 644,697,234,239,450,240
  5. Step 5: Solve for x
    x = 644,697,234,239,450,240/885,346,354.22
  6. Step 6: Final answer
    x = 728,186,467.56

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Double scale
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1.5x scale

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.