Home / 13,413,585,605.44-18,510,209,205.86-7,309,808,551.11

Finding the Fourth Proportional to 13,413,585,605.44, 18,510,209,205.86 and 7,309,808,551.11

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Solution

The fourth proportional to 13,413,585,605.44, 18,510,209,205.86 and 7,309,808,551.11 is: 10,087,242,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,585,605.44 : 18,510,209,205.86 = 7,309,808,551.11 : x
  2. Step 2: Convert to fraction form
    13,413,585,605.44/18,510,209,205.86 = 7,309,808,551.11/x
  3. Step 3: Cross multiply
    13,413,585,605.44x = 18,510,209,205.86 × 7,309,808,551.11
  4. Step 4: Simplify right side
    13,413,585,605.44x = 135,306,085,535,871,565,824
  5. Step 5: Solve for x
    x = 135,306,085,535,871,565,824/13,413,585,605.44
  6. Step 6: Final answer
    x = 10,087,242,107.81

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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.