Home / 694,537,509.30-958,426,564.77-412,292,014.62

Finding the Fourth Proportional to 694,537,509.30, 958,426,564.77 and 412,292,014.62

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Solution

The fourth proportional to 694,537,509.30, 958,426,564.77 and 412,292,014.62 is: 568,942,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,537,509.30 : 958,426,564.77 = 412,292,014.62 : x
  2. Step 2: Convert to fraction form
    694,537,509.30/958,426,564.77 = 412,292,014.62/x
  3. Step 3: Cross multiply
    694,537,509.30x = 958,426,564.77 × 412,292,014.62
  4. Step 4: Simplify right side
    694,537,509.30x = 395,151,619,254,349,184
  5. Step 5: Solve for x
    x = 395,151,619,254,349,184/694,537,509.30
  6. Step 6: Final answer
    x = 568,942,085.87

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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.