Home / 553,466,762.38-763,793,211.18-330,467,928.76

Finding the Fourth Proportional to 553,466,762.38, 763,793,211.18 and 330,467,928.76

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Solution

The fourth proportional to 553,466,762.38, 763,793,211.18 and 330,467,928.76 is: 456,051,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,466,762.38 : 763,793,211.18 = 330,467,928.76 : x
  2. Step 2: Convert to fraction form
    553,466,762.38/763,793,211.18 = 330,467,928.76/x
  3. Step 3: Cross multiply
    553,466,762.38x = 763,793,211.18 × 330,467,928.76
  4. Step 4: Simplify right side
    553,466,762.38x = 252,409,160,499,603,840
  5. Step 5: Solve for x
    x = 252,409,160,499,603,840/553,466,762.38
  6. Step 6: Final answer
    x = 456,051,162.70

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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.