Home / 186,287,391,319.32-279,478,111,537.26-51,981,768,609.93

Finding the Fourth Proportional to 186,287,391,319.32, 279,478,111,537.26 and 51,981,768,609.93

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Solution

The fourth proportional to 186,287,391,319.32, 279,478,111,537.26 and 51,981,768,609.93 is: 77,985,774,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,287,391,319.32 : 279,478,111,537.26 = 51,981,768,609.93 : x
  2. Step 2: Convert to fraction form
    186,287,391,319.32/279,478,111,537.26 = 51,981,768,609.93/x
  3. Step 3: Cross multiply
    186,287,391,319.32x = 279,478,111,537.26 × 51,981,768,609.93
  4. Step 4: Simplify right side
    186,287,391,319.32x = 14,527,766,525,470,058,741,760
  5. Step 5: Solve for x
    x = 14,527,766,525,470,058,741,760/186,287,391,319.32
  6. Step 6: Final answer
    x = 77,985,774,681.70

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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.