Home / 472,393,427.20-708,590,140.80-414,997,799.20

Finding the Fourth Proportional to 472,393,427.20, 708,590,140.80 and 414,997,799.20

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Solution

The fourth proportional to 472,393,427.20, 708,590,140.80 and 414,997,799.20 is: 622,496,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,427.20 : 708,590,140.80 = 414,997,799.20 : x
  2. Step 2: Convert to fraction form
    472,393,427.20/708,590,140.80 = 414,997,799.20/x
  3. Step 3: Cross multiply
    472,393,427.20x = 708,590,140.80 × 414,997,799.20
  4. Step 4: Simplify right side
    472,393,427.20x = 294,063,348,966,818,112
  5. Step 5: Solve for x
    x = 294,063,348,966,818,112/472,393,427.20
  6. Step 6: Final answer
    x = 622,496,698.80

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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.