Home / 316,061,818,868.43-436,165,632,840.08-171,545,978,357.20

Finding the Fourth Proportional to 316,061,818,868.43, 436,165,632,840.08 and 171,545,978,357.20

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Solution

The fourth proportional to 316,061,818,868.43, 436,165,632,840.08 and 171,545,978,357.20 is: 236,733,625,337.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,061,818,868.43 : 436,165,632,840.08 = 171,545,978,357.20 : x
  2. Step 2: Convert to fraction form
    316,061,818,868.43/436,165,632,840.08 = 171,545,978,357.20/x
  3. Step 3: Cross multiply
    316,061,818,868.43x = 436,165,632,840.08 × 171,545,978,357.20
  4. Step 4: Simplify right side
    316,061,818,868.43x = 74,822,460,211,338,814,685,184
  5. Step 5: Solve for x
    x = 74,822,460,211,338,814,685,184/316,061,818,868.43
  6. Step 6: Final answer
    x = 236,733,625,337.03

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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.