Home / 813,621,245.33-1,123,036,273.05-531,406,829.90

Finding the Fourth Proportional to 813,621,245.33, 1,123,036,273.05 and 531,406,829.90

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Solution

The fourth proportional to 813,621,245.33, 1,123,036,273.05 and 531,406,829.90 is: 733,497,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,621,245.33 : 1,123,036,273.05 = 531,406,829.90 : x
  2. Step 2: Convert to fraction form
    813,621,245.33/1,123,036,273.05 = 531,406,829.90/x
  3. Step 3: Cross multiply
    813,621,245.33x = 1,123,036,273.05 × 531,406,829.90
  4. Step 4: Simplify right side
    813,621,245.33x = 596,789,145,724,211,200
  5. Step 5: Solve for x
    x = 596,789,145,724,211,200/813,621,245.33
  6. Step 6: Final answer
    x = 733,497,495.49

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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.