Home / 13,413,585,607.88-18,510,209,209.22-7,309,808,553.56

Finding the Fourth Proportional to 13,413,585,607.88, 18,510,209,209.22 and 7,309,808,553.56

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Solution

The fourth proportional to 13,413,585,607.88, 18,510,209,209.22 and 7,309,808,553.56 is: 10,087,242,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,585,607.88 : 18,510,209,209.22 = 7,309,808,553.56 : x
  2. Step 2: Convert to fraction form
    13,413,585,607.88/18,510,209,209.22 = 7,309,808,553.56/x
  3. Step 3: Cross multiply
    13,413,585,607.88x = 18,510,209,209.22 × 7,309,808,553.56
  4. Step 4: Simplify right side
    13,413,585,607.88x = 135,306,085,605,663,522,816
  5. Step 5: Solve for x
    x = 135,306,085,605,663,522,816/13,413,585,607.88
  6. Step 6: Final answer
    x = 10,087,242,111.17

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1.5x scale

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.