Home / 882,568,985.46-1,218,000,512.96-486,091,896.18

Finding the Fourth Proportional to 882,568,985.46, 1,218,000,512.96 and 486,091,896.18

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Solution

The fourth proportional to 882,568,985.46, 1,218,000,512.96 and 486,091,896.18 is: 670,837,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,568,985.46 : 1,218,000,512.96 = 486,091,896.18 : x
  2. Step 2: Convert to fraction form
    882,568,985.46/1,218,000,512.96 = 486,091,896.18/x
  3. Step 3: Cross multiply
    882,568,985.46x = 1,218,000,512.96 × 486,091,896.18
  4. Step 4: Simplify right side
    882,568,985.46x = 592,060,178,892,939,136
  5. Step 5: Solve for x
    x = 592,060,178,892,939,136/882,568,985.46
  6. Step 6: Final answer
    x = 670,837,281.44

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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.