Home / 694,519,240.23-958,411,751.58-393,098,082.93

Finding the Fourth Proportional to 694,519,240.23, 958,411,751.58 and 393,098,082.93

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Solution

The fourth proportional to 694,519,240.23, 958,411,751.58 and 393,098,082.93 is: 542,461,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,519,240.23 : 958,411,751.58 = 393,098,082.93 : x
  2. Step 2: Convert to fraction form
    694,519,240.23/958,411,751.58 = 393,098,082.93/x
  3. Step 3: Cross multiply
    694,519,240.23x = 958,411,751.58 × 393,098,082.93
  4. Step 4: Simplify right side
    694,519,240.23x = 376,749,822,203,681,408
  5. Step 5: Solve for x
    x = 376,749,822,203,681,408/694,519,240.23
  6. Step 6: Final answer
    x = 542,461,317.67

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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.