Home / 343,463,545,857.72-515,430,652,759.38-119,873,496,090.36

Finding the Fourth Proportional to 343,463,545,857.72, 515,430,652,759.38 and 119,873,496,090.36

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Solution

The fourth proportional to 343,463,545,857.72, 515,430,652,759.38 and 119,873,496,090.36 is: 179,892,378,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,463,545,857.72 : 515,430,652,759.38 = 119,873,496,090.36 : x
  2. Step 2: Convert to fraction form
    343,463,545,857.72/515,430,652,759.38 = 119,873,496,090.36/x
  3. Step 3: Cross multiply
    343,463,545,857.72x = 515,430,652,759.38 × 119,873,496,090.36
  4. Step 4: Simplify right side
    343,463,545,857.72x = 61,786,474,338,403,238,281,216
  5. Step 5: Solve for x
    x = 61,786,474,338,403,238,281,216/343,463,545,857.72
  6. Step 6: Final answer
    x = 179,892,378,925.12

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1.5x scale

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.