Home / 1,225,996,469.80-1,838,994,704.70-1,218,343,719.40

Finding the Fourth Proportional to 1,225,996,469.80, 1,838,994,704.70 and 1,218,343,719.40

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Solution

The fourth proportional to 1,225,996,469.80, 1,838,994,704.70 and 1,218,343,719.40 is: 1,827,515,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,996,469.80 : 1,838,994,704.70 = 1,218,343,719.40 : x
  2. Step 2: Convert to fraction form
    1,225,996,469.80/1,838,994,704.70 = 1,218,343,719.40/x
  3. Step 3: Cross multiply
    1,225,996,469.80x = 1,838,994,704.70 × 1,218,343,719.40
  4. Step 4: Simplify right side
    1,225,996,469.80x = 2,240,527,648,481,102,848
  5. Step 5: Solve for x
    x = 2,240,527,648,481,102,848/1,225,996,469.80
  6. Step 6: Final answer
    x = 1,827,515,579.10

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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.