Home / 420,820,483.84-580,750,202.58-235,181,494.04

Finding the Fourth Proportional to 420,820,483.84, 580,750,202.58 and 235,181,494.04

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Solution

The fourth proportional to 420,820,483.84, 580,750,202.58 and 235,181,494.04 is: 324,560,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,820,483.84 : 580,750,202.58 = 235,181,494.04 : x
  2. Step 2: Convert to fraction form
    420,820,483.84/580,750,202.58 = 235,181,494.04/x
  3. Step 3: Cross multiply
    420,820,483.84x = 580,750,202.58 × 235,181,494.04
  4. Step 4: Simplify right side
    420,820,483.84x = 136,581,700,306,797,072
  5. Step 5: Solve for x
    x = 136,581,700,306,797,072/420,820,483.84
  6. Step 6: Final answer
    x = 324,560,484.94

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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.