Home / 664,499,977.40-917,019,589.74-367,149,060.92

Finding the Fourth Proportional to 664,499,977.40, 917,019,589.74 and 367,149,060.92

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Solution

The fourth proportional to 664,499,977.40, 917,019,589.74 and 367,149,060.92 is: 506,671,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,499,977.40 : 917,019,589.74 = 367,149,060.92 : x
  2. Step 2: Convert to fraction form
    664,499,977.40/917,019,589.74 = 367,149,060.92/x
  3. Step 3: Cross multiply
    664,499,977.40x = 917,019,589.74 × 367,149,060.92
  4. Step 4: Simplify right side
    664,499,977.40x = 336,682,881,218,284,672
  5. Step 5: Solve for x
    x = 336,682,881,218,284,672/664,499,977.40
  6. Step 6: Final answer
    x = 506,671,019.82

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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.