Home / 13,688,669,286.04-20,497,641,405.50-9,447,447,752.76

Finding the Fourth Proportional to 13,688,669,286.04, 20,497,641,405.50 and 9,447,447,752.76

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Solution

The fourth proportional to 13,688,669,286.04, 20,497,641,405.50 and 9,447,447,752.76 is: 14,146,765,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,688,669,286.04 : 20,497,641,405.50 = 9,447,447,752.76 : x
  2. Step 2: Convert to fraction form
    13,688,669,286.04/20,497,641,405.50 = 9,447,447,752.76/x
  3. Step 3: Cross multiply
    13,688,669,286.04x = 20,497,641,405.50 × 9,447,447,752.76
  4. Step 4: Simplify right side
    13,688,669,286.04x = 193,650,396,233,271,312,384
  5. Step 5: Solve for x
    x = 193,650,396,233,271,312,384/13,688,669,286.04
  6. Step 6: Final answer
    x = 14,146,765,634.17

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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.