Home / 867,825,257.09-1,302,082,786.44-277,706,412.86

Finding the Fourth Proportional to 867,825,257.09, 1,302,082,786.44 and 277,706,412.86

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Solution

The fourth proportional to 867,825,257.09, 1,302,082,786.44 and 277,706,412.86 is: 416,669,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,825,257.09 : 1,302,082,786.44 = 277,706,412.86 : x
  2. Step 2: Convert to fraction form
    867,825,257.09/1,302,082,786.44 = 277,706,412.86/x
  3. Step 3: Cross multiply
    867,825,257.09x = 1,302,082,786.44 × 277,706,412.86
  4. Step 4: Simplify right side
    867,825,257.09x = 361,596,739,862,495,488
  5. Step 5: Solve for x
    x = 361,596,739,862,495,488/867,825,257.09
  6. Step 6: Final answer
    x = 416,669,988.47

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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.