Home / 186,287,391,323.07-279,478,111,542.90-51,981,768,613.68

Finding the Fourth Proportional to 186,287,391,323.07, 279,478,111,542.90 and 51,981,768,613.68

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Solution

The fourth proportional to 186,287,391,323.07, 279,478,111,542.90 and 51,981,768,613.68 is: 77,985,774,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,287,391,323.07 : 279,478,111,542.90 = 51,981,768,613.68 : x
  2. Step 2: Convert to fraction form
    186,287,391,323.07/279,478,111,542.90 = 51,981,768,613.68/x
  3. Step 3: Cross multiply
    186,287,391,323.07x = 279,478,111,542.90 × 51,981,768,613.68
  4. Step 4: Simplify right side
    186,287,391,323.07x = 14,527,766,526,811,279,720,448
  5. Step 5: Solve for x
    x = 14,527,766,526,811,279,720,448/186,287,391,323.07
  6. Step 6: Final answer
    x = 77,985,774,687.33

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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.