Home / 1,020,236,320.73-1,530,354,481.09-503,675,668.73

Finding the Fourth Proportional to 1,020,236,320.73, 1,530,354,481.09 and 503,675,668.73

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Solution

The fourth proportional to 1,020,236,320.73, 1,530,354,481.09 and 503,675,668.73 is: 755,513,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,236,320.73 : 1,530,354,481.09 = 503,675,668.73 : x
  2. Step 2: Convert to fraction form
    1,020,236,320.73/1,530,354,481.09 = 503,675,668.73/x
  3. Step 3: Cross multiply
    1,020,236,320.73x = 1,530,354,481.09 × 503,675,668.73
  4. Step 4: Simplify right side
    1,020,236,320.73x = 770,802,316,649,306,112
  5. Step 5: Solve for x
    x = 770,802,316,649,306,112/1,020,236,320.73
  6. Step 6: Final answer
    x = 755,513,503.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.