Home / 472,393,983.70-708,590,975.55-355,996,594.90

Finding the Fourth Proportional to 472,393,983.70, 708,590,975.55 and 355,996,594.90

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Solution

The fourth proportional to 472,393,983.70, 708,590,975.55 and 355,996,594.90 is: 533,994,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,983.70 : 708,590,975.55 = 355,996,594.90 : x
  2. Step 2: Convert to fraction form
    472,393,983.70/708,590,975.55 = 355,996,594.90/x
  3. Step 3: Cross multiply
    472,393,983.70x = 708,590,975.55 × 355,996,594.90
  4. Step 4: Simplify right side
    472,393,983.70x = 252,255,974,472,669,120
  5. Step 5: Solve for x
    x = 252,255,974,472,669,120/472,393,983.70
  6. Step 6: Final answer
    x = 533,994,892.35

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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.