Home / 556,652,549.34-768,159,473.01-309,149,846.82

Finding the Fourth Proportional to 556,652,549.34, 768,159,473.01 and 309,149,846.82

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Solution

The fourth proportional to 556,652,549.34, 768,159,473.01 and 309,149,846.82 is: 426,615,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,652,549.34 : 768,159,473.01 = 309,149,846.82 : x
  2. Step 2: Convert to fraction form
    556,652,549.34/768,159,473.01 = 309,149,846.82/x
  3. Step 3: Cross multiply
    556,652,549.34x = 768,159,473.01 × 309,149,846.82
  4. Step 4: Simplify right side
    556,652,549.34x = 237,476,383,414,373,408
  5. Step 5: Solve for x
    x = 237,476,383,414,373,408/556,652,549.34
  6. Step 6: Final answer
    x = 426,615,100.74

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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.