Home / 365,596,657.20-548,076,121.20-220,088,111.40

Finding the Fourth Proportional to 365,596,657.20, 548,076,121.20 and 220,088,111.40

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Solution

The fourth proportional to 365,596,657.20, 548,076,121.20 and 220,088,111.40 is: 329,940,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,596,657.20 : 548,076,121.20 = 220,088,111.40 : x
  2. Step 2: Convert to fraction form
    365,596,657.20/548,076,121.20 = 220,088,111.40/x
  3. Step 3: Cross multiply
    365,596,657.20x = 548,076,121.20 × 220,088,111.40
  4. Step 4: Simplify right side
    365,596,657.20x = 120,625,038,418,345,520
  5. Step 5: Solve for x
    x = 120,625,038,418,345,520/365,596,657.20
  6. Step 6: Final answer
    x = 329,940,211.55

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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.