Home / 553,466,787.38-763,793,245.68-330,467,953.76

Finding the Fourth Proportional to 553,466,787.38, 763,793,245.68 and 330,467,953.76

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Solution

The fourth proportional to 553,466,787.38, 763,793,245.68 and 330,467,953.76 is: 456,051,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,466,787.38 : 763,793,245.68 = 330,467,953.76 : x
  2. Step 2: Convert to fraction form
    553,466,787.38/763,793,245.68 = 330,467,953.76/x
  3. Step 3: Cross multiply
    553,466,787.38x = 763,793,245.68 × 330,467,953.76
  4. Step 4: Simplify right side
    553,466,787.38x = 252,409,190,995,578,528
  5. Step 5: Solve for x
    x = 252,409,190,995,578,528/553,466,787.38
  6. Step 6: Final answer
    x = 456,051,197.20

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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.