Home / 476,408,992.40-657,449,033-275,450,778.40

Finding the Fourth Proportional to 476,408,992.40, 657,449,033 and 275,450,778.40

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Solution

The fourth proportional to 476,408,992.40, 657,449,033 and 275,450,778.40 is: 380,124,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,408,992.40 : 657,449,033 = 275,450,778.40 : x
  2. Step 2: Convert to fraction form
    476,408,992.40/657,449,033 = 275,450,778.40/x
  3. Step 3: Cross multiply
    476,408,992.40x = 657,449,033 × 275,450,778.40
  4. Step 4: Simplify right side
    476,408,992.40x = 181,094,847,898,177,280
  5. Step 5: Solve for x
    x = 181,094,847,898,177,280/476,408,992.40
  6. Step 6: Final answer
    x = 380,124,747.41

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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.