Home / 472,393,984.70-708,590,977.05-355,996,595.90

Finding the Fourth Proportional to 472,393,984.70, 708,590,977.05 and 355,996,595.90

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Solution

The fourth proportional to 472,393,984.70, 708,590,977.05 and 355,996,595.90 is: 533,994,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,984.70 : 708,590,977.05 = 355,996,595.90 : x
  2. Step 2: Convert to fraction form
    472,393,984.70/708,590,977.05 = 355,996,595.90/x
  3. Step 3: Cross multiply
    472,393,984.70x = 708,590,977.05 × 355,996,595.90
  4. Step 4: Simplify right side
    472,393,984.70x = 252,255,975,715,254,976
  5. Step 5: Solve for x
    x = 252,255,975,715,254,976/472,393,984.70
  6. Step 6: Final answer
    x = 533,994,893.85

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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.