Home / 725,036,057.57-1,000,669,754.93-427,750,980.23

Finding the Fourth Proportional to 725,036,057.57, 1,000,669,754.93 and 427,750,980.23

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Solution

The fourth proportional to 725,036,057.57, 1,000,669,754.93 and 427,750,980.23 is: 590,367,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,036,057.57 : 1,000,669,754.93 = 427,750,980.23 : x
  2. Step 2: Convert to fraction form
    725,036,057.57/1,000,669,754.93 = 427,750,980.23/x
  3. Step 3: Cross multiply
    725,036,057.57x = 1,000,669,754.93 × 427,750,980.23
  4. Step 4: Simplify right side
    725,036,057.57x = 428,037,468,558,184,320
  5. Step 5: Solve for x
    x = 428,037,468,558,184,320/725,036,057.57
  6. Step 6: Final answer
    x = 590,367,146.69

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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.