Home / 352,406,788.34-486,366,206.80-213,178,546.48

Finding the Fourth Proportional to 352,406,788.34, 486,366,206.80 and 213,178,546.48

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Solution

The fourth proportional to 352,406,788.34, 486,366,206.80 and 213,178,546.48 is: 294,213,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,406,788.34 : 486,366,206.80 = 213,178,546.48 : x
  2. Step 2: Convert to fraction form
    352,406,788.34/486,366,206.80 = 213,178,546.48/x
  3. Step 3: Cross multiply
    352,406,788.34x = 486,366,206.80 × 213,178,546.48
  4. Step 4: Simplify right side
    352,406,788.34x = 103,682,841,022,615,088
  5. Step 5: Solve for x
    x = 103,682,841,022,615,088/352,406,788.34
  6. Step 6: Final answer
    x = 294,213,518.16

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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.