Home / 28,323,033,949.51-42,463,606,499.68-17,128,419,368.08

Finding the Fourth Proportional to 28,323,033,949.51, 42,463,606,499.68 and 17,128,419,368.08

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Solution

The fourth proportional to 28,323,033,949.51, 42,463,606,499.68 and 17,128,419,368.08 is: 25,679,962,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323,033,949.51 : 42,463,606,499.68 = 17,128,419,368.08 : x
  2. Step 2: Convert to fraction form
    28,323,033,949.51/42,463,606,499.68 = 17,128,419,368.08/x
  3. Step 3: Cross multiply
    28,323,033,949.51x = 42,463,606,499.68 × 17,128,419,368.08
  4. Step 4: Simplify right side
    28,323,033,949.51x = 727,334,460,007,646,625,792
  5. Step 5: Solve for x
    x = 727,334,460,007,646,625,792/28,323,033,949.51
  6. Step 6: Final answer
    x = 25,679,962,863.59

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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.