Home / 684,826,827,242.12-945,063,229,890.88-380,332,483,223.52

Finding the Fourth Proportional to 684,826,827,242.12, 945,063,229,890.88 and 380,332,483,223.52

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Solution

The fourth proportional to 684,826,827,242.12, 945,063,229,890.88 and 380,332,483,223.52 is: 524,860,053,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,826,827,242.12 : 945,063,229,890.88 = 380,332,483,223.52 : x
  2. Step 2: Convert to fraction form
    684,826,827,242.12/945,063,229,890.88 = 380,332,483,223.52/x
  3. Step 3: Cross multiply
    684,826,827,242.12x = 945,063,229,890.88 × 380,332,483,223.52
  4. Step 4: Simplify right side
    684,826,827,242.12x = 359,438,245,027,638,761,488,384
  5. Step 5: Solve for x
    x = 359,438,245,027,638,761,488,384/684,826,827,242.12
  6. Step 6: Final answer
    x = 524,860,053,270.90

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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.