Home / 1,120,157,497.60-1,677,548,860.80-545,056,979.20

Finding the Fourth Proportional to 1,120,157,497.60, 1,677,548,860.80 and 545,056,979.20

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Solution

The fourth proportional to 1,120,157,497.60, 1,677,548,860.80 and 545,056,979.20 is: 816,277,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,157,497.60 : 1,677,548,860.80 = 545,056,979.20 : x
  2. Step 2: Convert to fraction form
    1,120,157,497.60/1,677,548,860.80 = 545,056,979.20/x
  3. Step 3: Cross multiply
    1,120,157,497.60x = 1,677,548,860.80 × 545,056,979.20
  4. Step 4: Simplify right side
    1,120,157,497.60x = 914,359,714,528,049,408
  5. Step 5: Solve for x
    x = 914,359,714,528,049,408/1,120,157,497.60
  6. Step 6: Final answer
    x = 816,277,814.94

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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.