Home / 1,820,586,002.74-2,511,793,660.35-1,185,217,188.10

Finding the Fourth Proportional to 1,820,586,002.74, 2,511,793,660.35 and 1,185,217,188.10

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Solution

The fourth proportional to 1,820,586,002.74, 2,511,793,660.35 and 1,185,217,188.10 is: 1,635,199,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,586,002.74 : 2,511,793,660.35 = 1,185,217,188.10 : x
  2. Step 2: Convert to fraction form
    1,820,586,002.74/2,511,793,660.35 = 1,185,217,188.10/x
  3. Step 3: Cross multiply
    1,820,586,002.74x = 2,511,793,660.35 × 1,185,217,188.10
  4. Step 4: Simplify right side
    1,820,586,002.74x = 2,977,021,019,207,433,216
  5. Step 5: Solve for x
    x = 2,977,021,019,207,433,216/1,820,586,002.74
  6. Step 6: Final answer
    x = 1,635,199,334.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.