Home / 354,312,277.40-531,468,416.10-216,562,770.20

Finding the Fourth Proportional to 354,312,277.40, 531,468,416.10 and 216,562,770.20

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Solution

The fourth proportional to 354,312,277.40, 531,468,416.10 and 216,562,770.20 is: 324,844,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312,277.40 : 531,468,416.10 = 216,562,770.20 : x
  2. Step 2: Convert to fraction form
    354,312,277.40/531,468,416.10 = 216,562,770.20/x
  3. Step 3: Cross multiply
    354,312,277.40x = 531,468,416.10 × 216,562,770.20
  4. Step 4: Simplify right side
    354,312,277.40x = 115,096,272,464,422,272
  5. Step 5: Solve for x
    x = 115,096,272,464,422,272/354,312,277.40
  6. Step 6: Final answer
    x = 324,844,155.30

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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.