Home / 356,756,166.30-534,961,239.97-209,251,926.30

Finding the Fourth Proportional to 356,756,166.30, 534,961,239.97 and 209,251,926.30

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Solution

The fourth proportional to 356,756,166.30, 534,961,239.97 and 209,251,926.30 is: 313,776,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,756,166.30 : 534,961,239.97 = 209,251,926.30 : x
  2. Step 2: Convert to fraction form
    356,756,166.30/534,961,239.97 = 209,251,926.30/x
  3. Step 3: Cross multiply
    356,756,166.30x = 534,961,239.97 × 209,251,926.30
  4. Step 4: Simplify right side
    356,756,166.30x = 111,941,669,959,559,072
  5. Step 5: Solve for x
    x = 111,941,669,959,559,072/356,756,166.30
  6. Step 6: Final answer
    x = 313,776,412.39

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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.