Home / 19,115,271,538.42-28,665,018,464.47-6,525,144,071.82

Finding the Fourth Proportional to 19,115,271,538.42, 28,665,018,464.47 and 6,525,144,071.82

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Solution

The fourth proportional to 19,115,271,538.42, 28,665,018,464.47 and 6,525,144,071.82 is: 9,785,023,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115,271,538.42 : 28,665,018,464.47 = 6,525,144,071.82 : x
  2. Step 2: Convert to fraction form
    19,115,271,538.42/28,665,018,464.47 = 6,525,144,071.82/x
  3. Step 3: Cross multiply
    19,115,271,538.42x = 28,665,018,464.47 × 6,525,144,071.82
  4. Step 4: Simplify right side
    19,115,271,538.42x = 187,043,375,301,871,304,704
  5. Step 5: Solve for x
    x = 187,043,375,301,871,304,704/19,115,271,538.42
  6. Step 6: Final answer
    x = 9,785,023,190.80

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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.