Home / 916,976,552.87-1,372,881,878.42-823,995,635.51

Finding the Fourth Proportional to 916,976,552.87, 1,372,881,878.42 and 823,995,635.51

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Solution

The fourth proportional to 916,976,552.87, 1,372,881,878.42 and 823,995,635.51 is: 1,233,672,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,976,552.87 : 1,372,881,878.42 = 823,995,635.51 : x
  2. Step 2: Convert to fraction form
    916,976,552.87/1,372,881,878.42 = 823,995,635.51/x
  3. Step 3: Cross multiply
    916,976,552.87x = 1,372,881,878.42 × 823,995,635.51
  4. Step 4: Simplify right side
    916,976,552.87x = 1,131,248,675,877,865,984
  5. Step 5: Solve for x
    x = 1,131,248,675,877,865,984/916,976,552.87
  6. Step 6: Final answer
    x = 1,233,672,412.17

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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.