Home / 882,629,434.36-1,218,028,561.68-511,566,699.36

Finding the Fourth Proportional to 882,629,434.36, 1,218,028,561.68 and 511,566,699.36

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Solution

The fourth proportional to 882,629,434.36, 1,218,028,561.68 and 511,566,699.36 is: 705,962,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,629,434.36 : 1,218,028,561.68 = 511,566,699.36 : x
  2. Step 2: Convert to fraction form
    882,629,434.36/1,218,028,561.68 = 511,566,699.36/x
  3. Step 3: Cross multiply
    882,629,434.36x = 1,218,028,561.68 × 511,566,699.36
  4. Step 4: Simplify right side
    882,629,434.36x = 623,102,851,024,845,824
  5. Step 5: Solve for x
    x = 623,102,851,024,845,824/882,629,434.36
  6. Step 6: Final answer
    x = 705,962,011.65

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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.