Home / 442,758,931.60-664,421,832.60-258,526,051.60

Finding the Fourth Proportional to 442,758,931.60, 664,421,832.60 and 258,526,051.60

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Solution

The fourth proportional to 442,758,931.60, 664,421,832.60 and 258,526,051.60 is: 387,954,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,758,931.60 : 664,421,832.60 = 258,526,051.60 : x
  2. Step 2: Convert to fraction form
    442,758,931.60/664,421,832.60 = 258,526,051.60/x
  3. Step 3: Cross multiply
    442,758,931.60x = 664,421,832.60 × 258,526,051.60
  4. Step 4: Simplify right side
    442,758,931.60x = 171,770,352,978,914,176
  5. Step 5: Solve for x
    x = 171,770,352,978,914,176/442,758,931.60
  6. Step 6: Final answer
    x = 387,954,574.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.