Home / 472,852,816.20-708,084,830.70-310,415,286.60

Finding the Fourth Proportional to 472,852,816.20, 708,084,830.70 and 310,415,286.60

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Solution

The fourth proportional to 472,852,816.20, 708,084,830.70 and 310,415,286.60 is: 464,838,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,852,816.20 : 708,084,830.70 = 310,415,286.60 : x
  2. Step 2: Convert to fraction form
    472,852,816.20/708,084,830.70 = 310,415,286.60/x
  3. Step 3: Cross multiply
    472,852,816.20x = 708,084,830.70 × 310,415,286.60
  4. Step 4: Simplify right side
    472,852,816.20x = 219,800,355,658,853,024
  5. Step 5: Solve for x
    x = 219,800,355,658,853,024/472,852,816.20
  6. Step 6: Final answer
    x = 464,838,842.30

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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.