Home / 2,129,680,206.39-3,194,585,389.34-730,644,853.64

Finding the Fourth Proportional to 2,129,680,206.39, 3,194,585,389.34 and 730,644,853.64

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Solution

The fourth proportional to 2,129,680,206.39, 3,194,585,389.34 and 730,644,853.64 is: 1,095,989,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,680,206.39 : 3,194,585,389.34 = 730,644,853.64 : x
  2. Step 2: Convert to fraction form
    2,129,680,206.39/3,194,585,389.34 = 730,644,853.64/x
  3. Step 3: Cross multiply
    2,129,680,206.39x = 3,194,585,389.34 × 730,644,853.64
  4. Step 4: Simplify right side
    2,129,680,206.39x = 2,334,107,374,241,539,072
  5. Step 5: Solve for x
    x = 2,334,107,374,241,539,072/2,129,680,206.39
  6. Step 6: Final answer
    x = 1,095,989,607.85

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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.