Home / 825,885,994.16-1,139,752,739.80-449,524,387.58

Finding the Fourth Proportional to 825,885,994.16, 1,139,752,739.80 and 449,524,387.58

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Solution

The fourth proportional to 825,885,994.16, 1,139,752,739.80 and 449,524,387.58 is: 620,360,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,885,994.16 : 1,139,752,739.80 = 449,524,387.58 : x
  2. Step 2: Convert to fraction form
    825,885,994.16/1,139,752,739.80 = 449,524,387.58/x
  3. Step 3: Cross multiply
    825,885,994.16x = 1,139,752,739.80 × 449,524,387.58
  4. Step 4: Simplify right side
    825,885,994.16x = 512,346,652,351,222,080
  5. Step 5: Solve for x
    x = 512,346,652,351,222,080/825,885,994.16
  6. Step 6: Final answer
    x = 620,360,020.60

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1.5x scale

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.