Home / 556,981,090.64-768,654,648.69-333,999,075.86

Finding the Fourth Proportional to 556,981,090.64, 768,654,648.69 and 333,999,075.86

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Solution

The fourth proportional to 556,981,090.64, 768,654,648.69 and 333,999,075.86 is: 460,931,163.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,981,090.64 : 768,654,648.69 = 333,999,075.86 : x
  2. Step 2: Convert to fraction form
    556,981,090.64/768,654,648.69 = 333,999,075.86/x
  3. Step 3: Cross multiply
    556,981,090.64x = 768,654,648.69 × 333,999,075.86
  4. Step 4: Simplify right side
    556,981,090.64x = 256,729,942,317,952,992
  5. Step 5: Solve for x
    x = 256,729,942,317,952,992/556,981,090.64
  6. Step 6: Final answer
    x = 460,931,163.79

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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.