Home / 19,115,271,537.92-28,665,018,463.72-6,525,144,071.32

Finding the Fourth Proportional to 19,115,271,537.92, 28,665,018,463.72 and 6,525,144,071.32

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Solution

The fourth proportional to 19,115,271,537.92, 28,665,018,463.72 and 6,525,144,071.32 is: 9,785,023,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115,271,537.92 : 28,665,018,463.72 = 6,525,144,071.32 : x
  2. Step 2: Convert to fraction form
    19,115,271,537.92/28,665,018,463.72 = 6,525,144,071.32/x
  3. Step 3: Cross multiply
    19,115,271,537.92x = 28,665,018,463.72 × 6,525,144,071.32
  4. Step 4: Simplify right side
    19,115,271,537.92x = 187,043,375,282,729,648,128
  5. Step 5: Solve for x
    x = 187,043,375,282,729,648,128/19,115,271,537.92
  6. Step 6: Final answer
    x = 9,785,023,190.05

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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.