Home / 13,806,271,142.80-20,709,281,807-4,362,916,529.14

Finding the Fourth Proportional to 13,806,271,142.80, 20,709,281,807 and 4,362,916,529.14

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Solution

The fourth proportional to 13,806,271,142.80, 20,709,281,807 and 4,362,916,529.14 is: 6,544,335,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806,271,142.80 : 20,709,281,807 = 4,362,916,529.14 : x
  2. Step 2: Convert to fraction form
    13,806,271,142.80/20,709,281,807 = 4,362,916,529.14/x
  3. Step 3: Cross multiply
    13,806,271,142.80x = 20,709,281,807 × 4,362,916,529.14
  4. Step 4: Simplify right side
    13,806,271,142.80x = 90,352,867,902,378,590,208
  5. Step 5: Solve for x
    x = 90,352,867,902,378,590,208/13,806,271,142.80
  6. Step 6: Final answer
    x = 6,544,335,321.81

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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.