Home / 830,308,588.30-1,145,836,720.00-453,965,613.33

Finding the Fourth Proportional to 830,308,588.30, 1,145,836,720.00 and 453,965,613.33

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Solution

The fourth proportional to 830,308,588.30, 1,145,836,720.00 and 453,965,613.33 is: 626,478,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,308,588.30 : 1,145,836,720.00 = 453,965,613.33 : x
  2. Step 2: Convert to fraction form
    830,308,588.30/1,145,836,720.00 = 453,965,613.33/x
  3. Step 3: Cross multiply
    830,308,588.30x = 1,145,836,720.00 × 453,965,613.33
  4. Step 4: Simplify right side
    830,308,588.30x = 520,170,469,371,425,664
  5. Step 5: Solve for x
    x = 520,170,469,371,425,664/830,308,588.30
  6. Step 6: Final answer
    x = 626,478,488.48

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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.