Home / 723,705,120.77-1,086,016,813.37-309,185,060.50

Finding the Fourth Proportional to 723,705,120.77, 1,086,016,813.37 and 309,185,060.50

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Solution

The fourth proportional to 723,705,120.77, 1,086,016,813.37 and 309,185,060.50 is: 463,973,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,705,120.77 : 1,086,016,813.37 = 309,185,060.50 : x
  2. Step 2: Convert to fraction form
    723,705,120.77/1,086,016,813.37 = 309,185,060.50/x
  3. Step 3: Cross multiply
    723,705,120.77x = 1,086,016,813.37 × 309,185,060.50
  4. Step 4: Simplify right side
    723,705,120.77x = 335,780,174,143,878,592
  5. Step 5: Solve for x
    x = 335,780,174,143,878,592/723,705,120.77
  6. Step 6: Final answer
    x = 463,973,743.60

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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.