Home / 640,226,002.24-883,241,339.04-428,601,011.24

Finding the Fourth Proportional to 640,226,002.24, 883,241,339.04 and 428,601,011.24

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Solution

The fourth proportional to 640,226,002.24, 883,241,339.04 and 428,601,011.24 is: 591,288,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,226,002.24 : 883,241,339.04 = 428,601,011.24 : x
  2. Step 2: Convert to fraction form
    640,226,002.24/883,241,339.04 = 428,601,011.24/x
  3. Step 3: Cross multiply
    640,226,002.24x = 883,241,339.04 × 428,601,011.24
  4. Step 4: Simplify right side
    640,226,002.24x = 378,558,131,081,515,712
  5. Step 5: Solve for x
    x = 378,558,131,081,515,712/640,226,002.24
  6. Step 6: Final answer
    x = 591,288,279.07

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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.