Home / 472,392,477.40-708,588,716.10-437,955,100.60

Finding the Fourth Proportional to 472,392,477.40, 708,588,716.10 and 437,955,100.60

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Solution

The fourth proportional to 472,392,477.40, 708,588,716.10 and 437,955,100.60 is: 656,932,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,477.40 : 708,588,716.10 = 437,955,100.60 : x
  2. Step 2: Convert to fraction form
    472,392,477.40/708,588,716.10 = 437,955,100.60/x
  3. Step 3: Cross multiply
    472,392,477.40x = 708,588,716.10 × 437,955,100.60
  4. Step 4: Simplify right side
    472,392,477.40x = 310,330,042,443,600,384
  5. Step 5: Solve for x
    x = 310,330,042,443,600,384/472,392,477.40
  6. Step 6: Final answer
    x = 656,932,650.90

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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.