Home / 813,621,226.29-1,123,036,246.79-531,406,810.90

Finding the Fourth Proportional to 813,621,226.29, 1,123,036,246.79 and 531,406,810.90

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Solution

The fourth proportional to 813,621,226.29, 1,123,036,246.79 and 531,406,810.90 is: 733,497,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,621,226.29 : 1,123,036,246.79 = 531,406,810.90 : x
  2. Step 2: Convert to fraction form
    813,621,226.29/1,123,036,246.79 = 531,406,810.90/x
  3. Step 3: Cross multiply
    813,621,226.29x = 1,123,036,246.79 × 531,406,810.90
  4. Step 4: Simplify right side
    813,621,226.29x = 596,789,110,429,122,304
  5. Step 5: Solve for x
    x = 596,789,110,429,122,304/813,621,226.29
  6. Step 6: Final answer
    x = 733,497,469.28

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Double scale
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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.