Home / 572,162,763.60-858,244,145.40-281,216,530.80

Finding the Fourth Proportional to 572,162,763.60, 858,244,145.40 and 281,216,530.80

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Solution

The fourth proportional to 572,162,763.60, 858,244,145.40 and 281,216,530.80 is: 421,824,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,162,763.60 : 858,244,145.40 = 281,216,530.80 : x
  2. Step 2: Convert to fraction form
    572,162,763.60/858,244,145.40 = 281,216,530.80/x
  3. Step 3: Cross multiply
    572,162,763.60x = 858,244,145.40 × 281,216,530.80
  4. Step 4: Simplify right side
    572,162,763.60x = 241,352,441,148,798,784
  5. Step 5: Solve for x
    x = 241,352,441,148,798,784/572,162,763.60
  6. Step 6: Final answer
    x = 421,824,796.20

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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.