Home / 873,731,001.35-1,205,740,633.07-477,253,839.17

Finding the Fourth Proportional to 873,731,001.35, 1,205,740,633.07 and 477,253,839.17

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Solution

The fourth proportional to 873,731,001.35, 1,205,740,633.07 and 477,253,839.17 is: 658,605,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,731,001.35 : 1,205,740,633.07 = 477,253,839.17 : x
  2. Step 2: Convert to fraction form
    873,731,001.35/1,205,740,633.07 = 477,253,839.17/x
  3. Step 3: Cross multiply
    873,731,001.35x = 1,205,740,633.07 × 477,253,839.17
  4. Step 4: Simplify right side
    873,731,001.35x = 575,444,346,167,508,864
  5. Step 5: Solve for x
    x = 575,444,346,167,508,864/873,731,001.35
  6. Step 6: Final answer
    x = 658,605,846.97

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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.