Home / 420,744,425.22-580,616,167.23-235,106,966.34

Finding the Fourth Proportional to 420,744,425.22, 580,616,167.23 and 235,106,966.34

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Solution

The fourth proportional to 420,744,425.22, 580,616,167.23 and 235,106,966.34 is: 324,441,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,744,425.22 : 580,616,167.23 = 235,106,966.34 : x
  2. Step 2: Convert to fraction form
    420,744,425.22/580,616,167.23 = 235,106,966.34/x
  3. Step 3: Cross multiply
    420,744,425.22x = 580,616,167.23 × 235,106,966.34
  4. Step 4: Simplify right side
    420,744,425.22x = 136,506,905,685,403,424
  5. Step 5: Solve for x
    x = 136,506,905,685,403,424/420,744,425.22
  6. Step 6: Final answer
    x = 324,441,388.89

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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.