Home / 1,147,578,586.80-1,720,769,853.96-410,364,296.88

Finding the Fourth Proportional to 1,147,578,586.80, 1,720,769,853.96 and 410,364,296.88

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Solution

The fourth proportional to 1,147,578,586.80, 1,720,769,853.96 and 410,364,296.88 is: 615,332,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,578,586.80 : 1,720,769,853.96 = 410,364,296.88 : x
  2. Step 2: Convert to fraction form
    1,147,578,586.80/1,720,769,853.96 = 410,364,296.88/x
  3. Step 3: Cross multiply
    1,147,578,586.80x = 1,720,769,853.96 × 410,364,296.88
  4. Step 4: Simplify right side
    1,147,578,586.80x = 706,142,511,212,595,712
  5. Step 5: Solve for x
    x = 706,142,511,212,595,712/1,147,578,586.80
  6. Step 6: Final answer
    x = 615,332,596.25

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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.