Home / 354,312,231.40-531,468,347.10-262,479,226.60

Finding the Fourth Proportional to 354,312,231.40, 531,468,347.10 and 262,479,226.60

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Solution

The fourth proportional to 354,312,231.40, 531,468,347.10 and 262,479,226.60 is: 393,718,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312,231.40 : 531,468,347.10 = 262,479,226.60 : x
  2. Step 2: Convert to fraction form
    354,312,231.40/531,468,347.10 = 262,479,226.60/x
  3. Step 3: Cross multiply
    354,312,231.40x = 531,468,347.10 × 262,479,226.60
  4. Step 4: Simplify right side
    354,312,231.40x = 139,499,400,709,188,352
  5. Step 5: Solve for x
    x = 139,499,400,709,188,352/354,312,231.40
  6. Step 6: Final answer
    x = 393,718,839.90

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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.