Home / 316,061,818,681.40-436,165,632,581.62-171,545,978,169.63

Finding the Fourth Proportional to 316,061,818,681.40, 436,165,632,581.62 and 171,545,978,169.63

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Solution

The fourth proportional to 316,061,818,681.40, 436,165,632,581.62 and 171,545,978,169.63 is: 236,733,625,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,061,818,681.40 : 436,165,632,581.62 = 171,545,978,169.63 : x
  2. Step 2: Convert to fraction form
    316,061,818,681.40/436,165,632,581.62 = 171,545,978,169.63/x
  3. Step 3: Cross multiply
    316,061,818,681.40x = 436,165,632,581.62 × 171,545,978,169.63
  4. Step 4: Simplify right side
    316,061,818,681.40x = 74,822,460,085,189,442,797,568
  5. Step 5: Solve for x
    x = 74,822,460,085,189,442,797,568/316,061,818,681.40
  6. Step 6: Final answer
    x = 236,733,625,077.99

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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.