Home / 1,036,253,714.48-1,555,079,965.51-405,907,585.23

Finding the Fourth Proportional to 1,036,253,714.48, 1,555,079,965.51 and 405,907,585.23

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Solution

The fourth proportional to 1,036,253,714.48, 1,555,079,965.51 and 405,907,585.23 is: 609,135,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,714.48 : 1,555,079,965.51 = 405,907,585.23 : x
  2. Step 2: Convert to fraction form
    1,036,253,714.48/1,555,079,965.51 = 405,907,585.23/x
  3. Step 3: Cross multiply
    1,036,253,714.48x = 1,555,079,965.51 × 405,907,585.23
  4. Step 4: Simplify right side
    1,036,253,714.48x = 631,218,753,639,715,840
  5. Step 5: Solve for x
    x = 631,218,753,639,715,840/1,036,253,714.48
  6. Step 6: Final answer
    x = 609,135,335.12

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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.