Home / 928,733,605.45-1,281,613,694-505,348,929.34

Finding the Fourth Proportional to 928,733,605.45, 1,281,613,694 and 505,348,929.34

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Solution

The fourth proportional to 928,733,605.45, 1,281,613,694 and 505,348,929.34 is: 697,360,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,733,605.45 : 1,281,613,694 = 505,348,929.34 : x
  2. Step 2: Convert to fraction form
    928,733,605.45/1,281,613,694 = 505,348,929.34/x
  3. Step 3: Cross multiply
    928,733,605.45x = 1,281,613,694 × 505,348,929.34
  4. Step 4: Simplify right side
    928,733,605.45x = 647,662,108,090,382,336
  5. Step 5: Solve for x
    x = 647,662,108,090,382,336/928,733,605.45
  6. Step 6: Final answer
    x = 697,360,474.83

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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.