Home / 13,484,753,984.80-20,227,130,977.20-13,209,254,970.40

Finding the Fourth Proportional to 13,484,753,984.80, 20,227,130,977.20 and 13,209,254,970.40

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Solution

The fourth proportional to 13,484,753,984.80, 20,227,130,977.20 and 13,209,254,970.40 is: 19,813,882,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,753,984.80 : 20,227,130,977.20 = 13,209,254,970.40 : x
  2. Step 2: Convert to fraction form
    13,484,753,984.80/20,227,130,977.20 = 13,209,254,970.40/x
  3. Step 3: Cross multiply
    13,484,753,984.80x = 20,227,130,977.20 × 13,209,254,970.40
  4. Step 4: Simplify right side
    13,484,753,984.80x = 267,185,330,397,510,926,336
  5. Step 5: Solve for x
    x = 267,185,330,397,510,926,336/13,484,753,984.80
  6. Step 6: Final answer
    x = 19,813,882,455.60

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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.