Home / 772,503,551.22-1,066,082,934.30-442,542,463.14

Finding the Fourth Proportional to 772,503,551.22, 1,066,082,934.30 and 442,542,463.14

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Solution

The fourth proportional to 772,503,551.22, 1,066,082,934.30 and 442,542,463.14 is: 610,724,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,503,551.22 : 1,066,082,934.30 = 442,542,463.14 : x
  2. Step 2: Convert to fraction form
    772,503,551.22/1,066,082,934.30 = 442,542,463.14/x
  3. Step 3: Cross multiply
    772,503,551.22x = 1,066,082,934.30 × 442,542,463.14
  4. Step 4: Simplify right side
    772,503,551.22x = 471,786,967,656,640,768
  5. Step 5: Solve for x
    x = 471,786,967,656,640,768/772,503,551.22
  6. Step 6: Final answer
    x = 610,724,658.69

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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.