Home / 694,537,510.30-958,426,566.15-412,292,015.62

Finding the Fourth Proportional to 694,537,510.30, 958,426,566.15 and 412,292,015.62

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Solution

The fourth proportional to 694,537,510.30, 958,426,566.15 and 412,292,015.62 is: 568,942,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,537,510.30 : 958,426,566.15 = 412,292,015.62 : x
  2. Step 2: Convert to fraction form
    694,537,510.30/958,426,566.15 = 412,292,015.62/x
  3. Step 3: Cross multiply
    694,537,510.30x = 958,426,566.15 × 412,292,015.62
  4. Step 4: Simplify right side
    694,537,510.30x = 395,151,620,781,738,752
  5. Step 5: Solve for x
    x = 395,151,620,781,738,752/694,537,510.30
  6. Step 6: Final answer
    x = 568,942,087.25

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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.