Home / 316,061,818,858.78-436,165,632,826.80-171,545,978,347.53

Finding the Fourth Proportional to 316,061,818,858.78, 436,165,632,826.80 and 171,545,978,347.53

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Solution

The fourth proportional to 316,061,818,858.78, 436,165,632,826.80 and 171,545,978,347.53 is: 236,733,625,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,061,818,858.78 : 436,165,632,826.80 = 171,545,978,347.53 : x
  2. Step 2: Convert to fraction form
    316,061,818,858.78/436,165,632,826.80 = 171,545,978,347.53/x
  3. Step 3: Cross multiply
    316,061,818,858.78x = 436,165,632,826.80 × 171,545,978,347.53
  4. Step 4: Simplify right side
    316,061,818,858.78x = 74,822,460,204,842,953,474,048
  5. Step 5: Solve for x
    x = 74,822,460,204,842,953,474,048/316,061,818,858.78
  6. Step 6: Final answer
    x = 236,733,625,323.70

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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.