Home / 882,568,990.22-1,218,000,519.52-486,091,900.94

Finding the Fourth Proportional to 882,568,990.22, 1,218,000,519.52 and 486,091,900.94

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Solution

The fourth proportional to 882,568,990.22, 1,218,000,519.52 and 486,091,900.94 is: 670,837,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,568,990.22 : 1,218,000,519.52 = 486,091,900.94 : x
  2. Step 2: Convert to fraction form
    882,568,990.22/1,218,000,519.52 = 486,091,900.94/x
  3. Step 3: Cross multiply
    882,568,990.22x = 1,218,000,519.52 × 486,091,900.94
  4. Step 4: Simplify right side
    882,568,990.22x = 592,060,187,872,079,104
  5. Step 5: Solve for x
    x = 592,060,187,872,079,104/882,568,990.22
  6. Step 6: Final answer
    x = 670,837,288.00

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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.