Home / 1,731,508,665.51-2,389,417,942.98-938,537,619.31

Finding the Fourth Proportional to 1,731,508,665.51, 2,389,417,942.98 and 938,537,619.31

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Solution

The fourth proportional to 1,731,508,665.51, 2,389,417,942.98 and 938,537,619.31 is: 1,295,147,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,508,665.51 : 2,389,417,942.98 = 938,537,619.31 : x
  2. Step 2: Convert to fraction form
    1,731,508,665.51/2,389,417,942.98 = 938,537,619.31/x
  3. Step 3: Cross multiply
    1,731,508,665.51x = 2,389,417,942.98 × 938,537,619.31
  4. Step 4: Simplify right side
    1,731,508,665.51x = 2,242,558,627,741,046,528
  5. Step 5: Solve for x
    x = 2,242,558,627,741,046,528/1,731,508,665.51
  6. Step 6: Final answer
    x = 1,295,147,216.07

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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.