Home / 13,223,211,537.82-18,249,320,859.51-9,875,898,512.86

Finding the Fourth Proportional to 13,223,211,537.82, 18,249,320,859.51 and 9,875,898,512.86

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Solution

The fourth proportional to 13,223,211,537.82, 18,249,320,859.51 and 9,875,898,512.86 is: 13,629,702,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,211,537.82 : 18,249,320,859.51 = 9,875,898,512.86 : x
  2. Step 2: Convert to fraction form
    13,223,211,537.82/18,249,320,859.51 = 9,875,898,512.86/x
  3. Step 3: Cross multiply
    13,223,211,537.82x = 18,249,320,859.51 × 9,875,898,512.86
  4. Step 4: Simplify right side
    13,223,211,537.82x = 180,228,440,737,139,785,728
  5. Step 5: Solve for x
    x = 180,228,440,737,139,785,728/13,223,211,537.82
  6. Step 6: Final answer
    x = 13,629,702,604.52

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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.