Home / 646,637,311.24-892,359,846.82-349,279,551.56

Finding the Fourth Proportional to 646,637,311.24, 892,359,846.82 and 349,279,551.56

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Solution

The fourth proportional to 646,637,311.24, 892,359,846.82 and 349,279,551.56 is: 482,005,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,637,311.24 : 892,359,846.82 = 349,279,551.56 : x
  2. Step 2: Convert to fraction form
    646,637,311.24/892,359,846.82 = 349,279,551.56/x
  3. Step 3: Cross multiply
    646,637,311.24x = 892,359,846.82 × 349,279,551.56
  4. Step 4: Simplify right side
    646,637,311.24x = 311,683,047,127,439,936
  5. Step 5: Solve for x
    x = 311,683,047,127,439,936/646,637,311.24
  6. Step 6: Final answer
    x = 482,005,974.15

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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.