Home / 414,208,059.60-621,312,089.40-406,145,902.80

Finding the Fourth Proportional to 414,208,059.60, 621,312,089.40 and 406,145,902.80

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Solution

The fourth proportional to 414,208,059.60, 621,312,089.40 and 406,145,902.80 is: 609,218,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,208,059.60 : 621,312,089.40 = 406,145,902.80 : x
  2. Step 2: Convert to fraction form
    414,208,059.60/621,312,089.40 = 406,145,902.80/x
  3. Step 3: Cross multiply
    414,208,059.60x = 621,312,089.40 × 406,145,902.80
  4. Step 4: Simplify right side
    414,208,059.60x = 252,343,359,469,917,312
  5. Step 5: Solve for x
    x = 252,343,359,469,917,312/414,208,059.60
  6. Step 6: Final answer
    x = 609,218,854.20

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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.