Home / 697,915,629.30-963,120,658.07-384,649,095.63

Finding the Fourth Proportional to 697,915,629.30, 963,120,658.07 and 384,649,095.63

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Solution

The fourth proportional to 697,915,629.30, 963,120,658.07 and 384,649,095.63 is: 530,814,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,915,629.30 : 963,120,658.07 = 384,649,095.63 : x
  2. Step 2: Convert to fraction form
    697,915,629.30/963,120,658.07 = 384,649,095.63/x
  3. Step 3: Cross multiply
    697,915,629.30x = 963,120,658.07 × 384,649,095.63
  4. Step 4: Simplify right side
    697,915,629.30x = 370,463,490,107,272,704
  5. Step 5: Solve for x
    x = 370,463,490,107,272,704/697,915,629.30
  6. Step 6: Final answer
    x = 530,814,147.95

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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.