Home / 1,225,996,462.80-1,838,994,694.20-1,218,343,712.40

Finding the Fourth Proportional to 1,225,996,462.80, 1,838,994,694.20 and 1,218,343,712.40

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Solution

The fourth proportional to 1,225,996,462.80, 1,838,994,694.20 and 1,218,343,712.40 is: 1,827,515,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,996,462.80 : 1,838,994,694.20 = 1,218,343,712.40 : x
  2. Step 2: Convert to fraction form
    1,225,996,462.80/1,838,994,694.20 = 1,218,343,712.40/x
  3. Step 3: Cross multiply
    1,225,996,462.80x = 1,838,994,694.20 × 1,218,343,712.40
  4. Step 4: Simplify right side
    1,225,996,462.80x = 2,240,527,622,815,531,008
  5. Step 5: Solve for x
    x = 2,240,527,622,815,531,008/1,225,996,462.80
  6. Step 6: Final answer
    x = 1,827,515,568.60

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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.