Home / 426,562,400.90-639,843,601.35-377,244,676.10

Finding the Fourth Proportional to 426,562,400.90, 639,843,601.35 and 377,244,676.10

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Solution

The fourth proportional to 426,562,400.90, 639,843,601.35 and 377,244,676.10 is: 565,867,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,562,400.90 : 639,843,601.35 = 377,244,676.10 : x
  2. Step 2: Convert to fraction form
    426,562,400.90/639,843,601.35 = 377,244,676.10/x
  3. Step 3: Cross multiply
    426,562,400.90x = 639,843,601.35 × 377,244,676.10
  4. Step 4: Simplify right side
    426,562,400.90x = 241,377,592,145,938,304
  5. Step 5: Solve for x
    x = 241,377,592,145,938,304/426,562,400.90
  6. Step 6: Final answer
    x = 565,867,014.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.