Home / 420,060,164.02-579,667,830.74-231,884,416.24

Finding the Fourth Proportional to 420,060,164.02, 579,667,830.74 and 231,884,416.24

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Solution

The fourth proportional to 420,060,164.02, 579,667,830.74 and 231,884,416.24 is: 319,992,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,060,164.02 : 579,667,830.74 = 231,884,416.24 : x
  2. Step 2: Convert to fraction form
    420,060,164.02/579,667,830.74 = 231,884,416.24/x
  3. Step 3: Cross multiply
    420,060,164.02x = 579,667,830.74 × 231,884,416.24
  4. Step 4: Simplify right side
    420,060,164.02x = 134,415,936,544,252,032
  5. Step 5: Solve for x
    x = 134,415,936,544,252,032/420,060,164.02
  6. Step 6: Final answer
    x = 319,992,106.03

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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.