Home / 316,061,818,690.74-436,165,632,594.42-171,545,978,178.95

Finding the Fourth Proportional to 316,061,818,690.74, 436,165,632,594.42 and 171,545,978,178.95

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Solution

The fourth proportional to 316,061,818,690.74, 436,165,632,594.42 and 171,545,978,178.95 is: 236,733,625,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,061,818,690.74 : 436,165,632,594.42 = 171,545,978,178.95 : x
  2. Step 2: Convert to fraction form
    316,061,818,690.74/436,165,632,594.42 = 171,545,978,178.95/x
  3. Step 3: Cross multiply
    316,061,818,690.74x = 436,165,632,594.42 × 171,545,978,178.95
  4. Step 4: Simplify right side
    316,061,818,690.74x = 74,822,460,091,450,297,155,584
  5. Step 5: Solve for x
    x = 74,822,460,091,450,297,155,584/316,061,818,690.74
  6. Step 6: Final answer
    x = 236,733,625,090.80

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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.