Home / 13,484,753,980.80-20,227,130,971.20-13,209,254,966.40

Finding the Fourth Proportional to 13,484,753,980.80, 20,227,130,971.20 and 13,209,254,966.40

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Solution

The fourth proportional to 13,484,753,980.80, 20,227,130,971.20 and 13,209,254,966.40 is: 19,813,882,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,753,980.80 : 20,227,130,971.20 = 13,209,254,966.40 : x
  2. Step 2: Convert to fraction form
    13,484,753,980.80/20,227,130,971.20 = 13,209,254,966.40/x
  3. Step 3: Cross multiply
    13,484,753,980.80x = 20,227,130,971.20 × 13,209,254,966.40
  4. Step 4: Simplify right side
    13,484,753,980.80x = 267,185,330,237,346,873,344
  5. Step 5: Solve for x
    x = 267,185,330,237,346,873,344/13,484,753,980.80
  6. Step 6: Final answer
    x = 19,813,882,449.60

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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.