Home / 682,037,771.04-940,997,267.28-417,443,922.72

Finding the Fourth Proportional to 682,037,771.04, 940,997,267.28 and 417,443,922.72

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Solution

The fourth proportional to 682,037,771.04, 940,997,267.28 and 417,443,922.72 is: 575,941,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,037,771.04 : 940,997,267.28 = 417,443,922.72 : x
  2. Step 2: Convert to fraction form
    682,037,771.04/940,997,267.28 = 417,443,922.72/x
  3. Step 3: Cross multiply
    682,037,771.04x = 940,997,267.28 × 417,443,922.72
  4. Step 4: Simplify right side
    682,037,771.04x = 392,813,590,522,163,520
  5. Step 5: Solve for x
    x = 392,813,590,522,163,520/682,037,771.04
  6. Step 6: Final answer
    x = 575,941,109.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.