Home / 13,979,198,056.64-19,291,165,531.16-7,635,563,986.64

Finding the Fourth Proportional to 13,979,198,056.64, 19,291,165,531.16 and 7,635,563,986.64

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Solution

The fourth proportional to 13,979,198,056.64, 19,291,165,531.16 and 7,635,563,986.64 is: 10,537,008,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,198,056.64 : 19,291,165,531.16 = 7,635,563,986.64 : x
  2. Step 2: Convert to fraction form
    13,979,198,056.64/19,291,165,531.16 = 7,635,563,986.64/x
  3. Step 3: Cross multiply
    13,979,198,056.64x = 19,291,165,531.16 × 7,635,563,986.64
  4. Step 4: Simplify right side
    13,979,198,056.64x = 147,298,928,790,036,201,472
  5. Step 5: Solve for x
    x = 147,298,928,790,036,201,472/13,979,198,056.64
  6. Step 6: Final answer
    x = 10,537,008,503.15

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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.