Home / 383,718,015.40-575,577,023.10-358,019,890.60

Finding the Fourth Proportional to 383,718,015.40, 575,577,023.10 and 358,019,890.60

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Solution

The fourth proportional to 383,718,015.40, 575,577,023.10 and 358,019,890.60 is: 537,029,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,718,015.40 : 575,577,023.10 = 358,019,890.60 : x
  2. Step 2: Convert to fraction form
    383,718,015.40/575,577,023.10 = 358,019,890.60/x
  3. Step 3: Cross multiply
    383,718,015.40x = 575,577,023.10 × 358,019,890.60
  4. Step 4: Simplify right side
    383,718,015.40x = 206,068,022,842,135,680
  5. Step 5: Solve for x
    x = 206,068,022,842,135,680/383,718,015.40
  6. Step 6: Final answer
    x = 537,029,835.90

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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.