Home / 316,061,818,849.76-436,165,632,814.32-171,545,978,338.47

Finding the Fourth Proportional to 316,061,818,849.76, 436,165,632,814.32 and 171,545,978,338.47

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Solution

The fourth proportional to 316,061,818,849.76, 436,165,632,814.32 and 171,545,978,338.47 is: 236,733,625,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,061,818,849.76 : 436,165,632,814.32 = 171,545,978,338.47 : x
  2. Step 2: Convert to fraction form
    316,061,818,849.76/436,165,632,814.32 = 171,545,978,338.47/x
  3. Step 3: Cross multiply
    316,061,818,849.76x = 436,165,632,814.32 × 171,545,978,338.47
  4. Step 4: Simplify right side
    316,061,818,849.76x = 74,822,460,198,750,399,758,336
  5. Step 5: Solve for x
    x = 74,822,460,198,750,399,758,336/316,061,818,849.76
  6. Step 6: Final answer
    x = 236,733,625,311.18

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1.5x scale

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.