Home / 366,471,748.80-549,707,623.20-221,069,491.20

Finding the Fourth Proportional to 366,471,748.80, 549,707,623.20 and 221,069,491.20

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Solution

The fourth proportional to 366,471,748.80, 549,707,623.20 and 221,069,491.20 is: 331,604,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,471,748.80 : 549,707,623.20 = 221,069,491.20 : x
  2. Step 2: Convert to fraction form
    366,471,748.80/549,707,623.20 = 221,069,491.20/x
  3. Step 3: Cross multiply
    366,471,748.80x = 549,707,623.20 × 221,069,491.20
  4. Step 4: Simplify right side
    366,471,748.80x = 121,523,584,569,585,312
  5. Step 5: Solve for x
    x = 121,523,584,569,585,312/366,471,748.80
  6. Step 6: Final answer
    x = 331,604,236.80

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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.