Home / 1,242,853,342.88-1,864,525,605.24-455,914,304.24

Finding the Fourth Proportional to 1,242,853,342.88, 1,864,525,605.24 and 455,914,304.24

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Solution

The fourth proportional to 1,242,853,342.88, 1,864,525,605.24 and 455,914,304.24 is: 683,961,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,853,342.88 : 1,864,525,605.24 = 455,914,304.24 : x
  2. Step 2: Convert to fraction form
    1,242,853,342.88/1,864,525,605.24 = 455,914,304.24/x
  3. Step 3: Cross multiply
    1,242,853,342.88x = 1,864,525,605.24 × 455,914,304.24
  4. Step 4: Simplify right side
    1,242,853,342.88x = 850,063,894,050,659,584
  5. Step 5: Solve for x
    x = 850,063,894,050,659,584/1,242,853,342.88
  6. Step 6: Final answer
    x = 683,961,546.16

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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.