Home / 18,396,307,578.63-27,594,681,086.12-5,130,758,751.90

Finding the Fourth Proportional to 18,396,307,578.63, 27,594,681,086.12 and 5,130,758,751.90

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Solution

The fourth proportional to 18,396,307,578.63, 27,594,681,086.12 and 5,130,758,751.90 is: 7,696,199,407.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396,307,578.63 : 27,594,681,086.12 = 5,130,758,751.90 : x
  2. Step 2: Convert to fraction form
    18,396,307,578.63/27,594,681,086.12 = 5,130,758,751.90/x
  3. Step 3: Cross multiply
    18,396,307,578.63x = 27,594,681,086.12 × 5,130,758,751.90
  4. Step 4: Simplify right side
    18,396,307,578.63x = 141,581,651,488,499,564,544
  5. Step 5: Solve for x
    x = 141,581,651,488,499,564,544/18,396,307,578.63
  6. Step 6: Final answer
    x = 7,696,199,407.59

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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.