Home / 414,877,527.60-622,316,291.40-208,253,266.80

Finding the Fourth Proportional to 414,877,527.60, 622,316,291.40 and 208,253,266.80

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Solution

The fourth proportional to 414,877,527.60, 622,316,291.40 and 208,253,266.80 is: 312,379,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,877,527.60 : 622,316,291.40 = 208,253,266.80 : x
  2. Step 2: Convert to fraction form
    414,877,527.60/622,316,291.40 = 208,253,266.80/x
  3. Step 3: Cross multiply
    414,877,527.60x = 622,316,291.40 × 208,253,266.80
  4. Step 4: Simplify right side
    414,877,527.60x = 129,599,400,666,910,752
  5. Step 5: Solve for x
    x = 129,599,400,666,910,752/414,877,527.60
  6. Step 6: Final answer
    x = 312,379,900.20

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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.