Home / 472,392,400.80-708,588,601.20-242,809,888.80

Finding the Fourth Proportional to 472,392,400.80, 708,588,601.20 and 242,809,888.80

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Solution

The fourth proportional to 472,392,400.80, 708,588,601.20 and 242,809,888.80 is: 364,214,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,400.80 : 708,588,601.20 = 242,809,888.80 : x
  2. Step 2: Convert to fraction form
    472,392,400.80/708,588,601.20 = 242,809,888.80/x
  3. Step 3: Cross multiply
    472,392,400.80x = 708,588,601.20 × 242,809,888.80
  4. Step 4: Simplify right side
    472,392,400.80x = 172,052,319,462,319,552
  5. Step 5: Solve for x
    x = 172,052,319,462,319,552/472,392,400.80
  6. Step 6: Final answer
    x = 364,214,833.20

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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.