Home / 472,392,701.40-708,589,052.10-437,955,324.60

Finding the Fourth Proportional to 472,392,701.40, 708,589,052.10 and 437,955,324.60

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Solution

The fourth proportional to 472,392,701.40, 708,589,052.10 and 437,955,324.60 is: 656,932,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,701.40 : 708,589,052.10 = 437,955,324.60 : x
  2. Step 2: Convert to fraction form
    472,392,701.40/708,589,052.10 = 437,955,324.60/x
  3. Step 3: Cross multiply
    472,392,701.40x = 708,589,052.10 × 437,955,324.60
  4. Step 4: Simplify right side
    472,392,701.40x = 310,330,348,320,461,824
  5. Step 5: Solve for x
    x = 310,330,348,320,461,824/472,392,701.40
  6. Step 6: Final answer
    x = 656,932,986.90

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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.