Home / 825,908,407.04-1,238,862,610.32-308,379,263.84

Finding the Fourth Proportional to 825,908,407.04, 1,238,862,610.32 and 308,379,263.84

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Solution

The fourth proportional to 825,908,407.04, 1,238,862,610.32 and 308,379,263.84 is: 462,568,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,908,407.04 : 1,238,862,610.32 = 308,379,263.84 : x
  2. Step 2: Convert to fraction form
    825,908,407.04/1,238,862,610.32 = 308,379,263.84/x
  3. Step 3: Cross multiply
    825,908,407.04x = 1,238,862,610.32 × 308,379,263.84
  4. Step 4: Simplify right side
    825,908,407.04x = 382,039,539,769,382,336
  5. Step 5: Solve for x
    x = 382,039,539,769,382,336/825,908,407.04
  6. Step 6: Final answer
    x = 462,568,895.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.