Home / 263,801,112,288.08-393,925,227,641.60-215,437,819,892.26

Finding the Fourth Proportional to 263,801,112,288.08, 393,925,227,641.60 and 215,437,819,892.26

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Solution

The fourth proportional to 263,801,112,288.08, 393,925,227,641.60 and 215,437,819,892.26 is: 321,705,968,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,801,112,288.08 : 393,925,227,641.60 = 215,437,819,892.26 : x
  2. Step 2: Convert to fraction form
    263,801,112,288.08/393,925,227,641.60 = 215,437,819,892.26/x
  3. Step 3: Cross multiply
    263,801,112,288.08x = 393,925,227,641.60 × 215,437,819,892.26
  4. Step 4: Simplify right side
    263,801,112,288.08x = 84,866,392,243,668,531,544,064
  5. Step 5: Solve for x
    x = 84,866,392,243,668,531,544,064/263,801,112,288.08
  6. Step 6: Final answer
    x = 321,705,968,210.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.