Home / 397,780,551.64-548,908,945.32-219,156,637.60

Finding the Fourth Proportional to 397,780,551.64, 548,908,945.32 and 219,156,637.60

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Solution

The fourth proportional to 397,780,551.64, 548,908,945.32 and 219,156,637.60 is: 302,420,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,780,551.64 : 548,908,945.32 = 219,156,637.60 : x
  2. Step 2: Convert to fraction form
    397,780,551.64/548,908,945.32 = 219,156,637.60/x
  3. Step 3: Cross multiply
    397,780,551.64x = 548,908,945.32 × 219,156,637.60
  4. Step 4: Simplify right side
    397,780,551.64x = 120,297,038,804,893,472
  5. Step 5: Solve for x
    x = 120,297,038,804,893,472/397,780,551.64
  6. Step 6: Final answer
    x = 302,420,614.35

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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.