Home / 472,392,604.80-708,588,907.20-456,520,233.60

Finding the Fourth Proportional to 472,392,604.80, 708,588,907.20 and 456,520,233.60

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Solution

The fourth proportional to 472,392,604.80, 708,588,907.20 and 456,520,233.60 is: 684,780,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,604.80 : 708,588,907.20 = 456,520,233.60 : x
  2. Step 2: Convert to fraction form
    472,392,604.80/708,588,907.20 = 456,520,233.60/x
  3. Step 3: Cross multiply
    472,392,604.80x = 708,588,907.20 × 456,520,233.60
  4. Step 4: Simplify right side
    472,392,604.80x = 323,485,173,441,312,768
  5. Step 5: Solve for x
    x = 323,485,173,441,312,768/472,392,604.80
  6. Step 6: Final answer
    x = 684,780,350.40

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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.