Home / 7,978,993,034.61-11,971,512,343.28-4,790,488,241.29

Finding the Fourth Proportional to 7,978,993,034.61, 11,971,512,343.28 and 4,790,488,241.29

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Solution

The fourth proportional to 7,978,993,034.61, 11,971,512,343.28 and 4,790,488,241.29 is: 7,187,547,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,993,034.61 : 11,971,512,343.28 = 4,790,488,241.29 : x
  2. Step 2: Convert to fraction form
    7,978,993,034.61/11,971,512,343.28 = 4,790,488,241.29/x
  3. Step 3: Cross multiply
    7,978,993,034.61x = 11,971,512,343.28 × 4,790,488,241.29
  4. Step 4: Simplify right side
    7,978,993,034.61x = 57,349,389,110,942,130,176
  5. Step 5: Solve for x
    x = 57,349,389,110,942,130,176/7,978,993,034.61
  6. Step 6: Final answer
    x = 7,187,547,208.29

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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.