Home / 15,726,434,167.68-23,589,739,438.66-5,245,621,814.78

Finding the Fourth Proportional to 15,726,434,167.68, 23,589,739,438.66 and 5,245,621,814.78

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Solution

The fourth proportional to 15,726,434,167.68, 23,589,739,438.66 and 5,245,621,814.78 is: 7,868,462,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,434,167.68 : 23,589,739,438.66 = 5,245,621,814.78 : x
  2. Step 2: Convert to fraction form
    15,726,434,167.68/23,589,739,438.66 = 5,245,621,814.78/x
  3. Step 3: Cross multiply
    15,726,434,167.68x = 23,589,739,438.66 × 5,245,621,814.78
  4. Step 4: Simplify right side
    15,726,434,167.68x = 123,742,851,804,387,426,304
  5. Step 5: Solve for x
    x = 123,742,851,804,387,426,304/15,726,434,167.68
  6. Step 6: Final answer
    x = 7,868,462,137.38

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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.