Home / 505,291,030.34-697,262,703.46-285,296,170.82

Finding the Fourth Proportional to 505,291,030.34, 697,262,703.46 and 285,296,170.82

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Solution

The fourth proportional to 505,291,030.34, 697,262,703.46 and 285,296,170.82 is: 393,686,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,291,030.34 : 697,262,703.46 = 285,296,170.82 : x
  2. Step 2: Convert to fraction form
    505,291,030.34/697,262,703.46 = 285,296,170.82/x
  3. Step 3: Cross multiply
    505,291,030.34x = 697,262,703.46 × 285,296,170.82
  4. Step 4: Simplify right side
    505,291,030.34x = 198,926,379,348,539,616
  5. Step 5: Solve for x
    x = 198,926,379,348,539,616/505,291,030.34
  6. Step 6: Final answer
    x = 393,686,741.71

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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.