Home / 813,621,246.33-1,123,036,274.43-531,406,830.90

Finding the Fourth Proportional to 813,621,246.33, 1,123,036,274.43 and 531,406,830.90

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Solution

The fourth proportional to 813,621,246.33, 1,123,036,274.43 and 531,406,830.90 is: 733,497,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,621,246.33 : 1,123,036,274.43 = 531,406,830.90 : x
  2. Step 2: Convert to fraction form
    813,621,246.33/1,123,036,274.43 = 531,406,830.90/x
  3. Step 3: Cross multiply
    813,621,246.33x = 1,123,036,274.43 × 531,406,830.90
  4. Step 4: Simplify right side
    813,621,246.33x = 596,789,147,580,589,056
  5. Step 5: Solve for x
    x = 596,789,147,580,589,056/813,621,246.33
  6. Step 6: Final answer
    x = 733,497,496.87

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1.5x scale

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.