Home / 553,466,784.38-763,793,241.54-330,467,950.76

Finding the Fourth Proportional to 553,466,784.38, 763,793,241.54 and 330,467,950.76

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Solution

The fourth proportional to 553,466,784.38, 763,793,241.54 and 330,467,950.76 is: 456,051,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,466,784.38 : 763,793,241.54 = 330,467,950.76 : x
  2. Step 2: Convert to fraction form
    553,466,784.38/763,793,241.54 = 330,467,950.76/x
  3. Step 3: Cross multiply
    553,466,784.38x = 763,793,241.54 × 330,467,950.76
  4. Step 4: Simplify right side
    553,466,784.38x = 252,409,187,336,061,472
  5. Step 5: Solve for x
    x = 252,409,187,336,061,472/553,466,784.38
  6. Step 6: Final answer
    x = 456,051,193.06

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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.