Home / 354,310,237.40-531,465,356.10-262,477,232.60

Finding the Fourth Proportional to 354,310,237.40, 531,465,356.10 and 262,477,232.60

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Solution

The fourth proportional to 354,310,237.40, 531,465,356.10 and 262,477,232.60 is: 393,715,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,310,237.40 : 531,465,356.10 = 262,477,232.60 : x
  2. Step 2: Convert to fraction form
    354,310,237.40/531,465,356.10 = 262,477,232.60/x
  3. Step 3: Cross multiply
    354,310,237.40x = 531,465,356.10 × 262,477,232.60
  4. Step 4: Simplify right side
    354,310,237.40x = 139,497,555,891,901,536
  5. Step 5: Solve for x
    x = 139,497,555,891,901,536/354,310,237.40
  6. Step 6: Final answer
    x = 393,715,848.90

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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.