Home / 829,387,914.83-1,144,555,278.45-447,909,917.66

Finding the Fourth Proportional to 829,387,914.83, 1,144,555,278.45 and 447,909,917.66

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Solution

The fourth proportional to 829,387,914.83, 1,144,555,278.45 and 447,909,917.66 is: 618,115,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,387,914.83 : 1,144,555,278.45 = 447,909,917.66 : x
  2. Step 2: Convert to fraction form
    829,387,914.83/1,144,555,278.45 = 447,909,917.66/x
  3. Step 3: Cross multiply
    829,387,914.83x = 1,144,555,278.45 × 447,909,917.66
  4. Step 4: Simplify right side
    829,387,914.83x = 512,657,660,534,197,888
  5. Step 5: Solve for x
    x = 512,657,660,534,197,888/829,387,914.83
  6. Step 6: Final answer
    x = 618,115,662.61

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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.