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Finding the Fourth Proportional to 1,399,794,695.80, 2,099,692,043.70 and 880,541,409.40

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Solution

The fourth proportional to 1,399,794,695.80, 2,099,692,043.70 and 880,541,409.40 is: 1,320,812,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,794,695.80 : 2,099,692,043.70 = 880,541,409.40 : x
  2. Step 2: Convert to fraction form
    1,399,794,695.80/2,099,692,043.70 = 880,541,409.40/x
  3. Step 3: Cross multiply
    1,399,794,695.80x = 2,099,692,043.70 × 880,541,409.40
  4. Step 4: Simplify right side
    1,399,794,695.80x = 1,848,865,791,465,564,416
  5. Step 5: Solve for x
    x = 1,848,865,791,465,564,416/1,399,794,695.80
  6. Step 6: Final answer
    x = 1,320,812,114.10

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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.