Home / 13,289,209,712.80-19,933,814,569.20-11,128,551,690.40

Finding the Fourth Proportional to 13,289,209,712.80, 19,933,814,569.20 and 11,128,551,690.40

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Solution

The fourth proportional to 13,289,209,712.80, 19,933,814,569.20 and 11,128,551,690.40 is: 16,692,827,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,209,712.80 : 19,933,814,569.20 = 11,128,551,690.40 : x
  2. Step 2: Convert to fraction form
    13,289,209,712.80/19,933,814,569.20 = 11,128,551,690.40/x
  3. Step 3: Cross multiply
    13,289,209,712.80x = 19,933,814,569.20 × 11,128,551,690.40
  4. Step 4: Simplify right side
    13,289,209,712.80x = 221,834,485,820,190,818,304
  5. Step 5: Solve for x
    x = 221,834,485,820,190,818,304/13,289,209,712.80
  6. Step 6: Final answer
    x = 16,692,827,535.60

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1.5x scale

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.