Home / 1,293,819,166.64-1,786,332,292.20-765,352,923.92

Finding the Fourth Proportional to 1,293,819,166.64, 1,786,332,292.20 and 765,352,923.92

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Solution

The fourth proportional to 1,293,819,166.64, 1,786,332,292.20 and 765,352,923.92 is: 1,056,696,853.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,819,166.64 : 1,786,332,292.20 = 765,352,923.92 : x
  2. Step 2: Convert to fraction form
    1,293,819,166.64/1,786,332,292.20 = 765,352,923.92/x
  3. Step 3: Cross multiply
    1,293,819,166.64x = 1,786,332,292.20 × 765,352,923.92
  4. Step 4: Simplify right side
    1,293,819,166.64x = 1,367,174,642,927,985,664
  5. Step 5: Solve for x
    x = 1,367,174,642,927,985,664/1,293,819,166.64
  6. Step 6: Final answer
    x = 1,056,696,853.92

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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.