Home / 697,915,629.55-963,120,658.41-384,649,095.88

Finding the Fourth Proportional to 697,915,629.55, 963,120,658.41 and 384,649,095.88

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Solution

The fourth proportional to 697,915,629.55, 963,120,658.41 and 384,649,095.88 is: 530,814,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,915,629.55 : 963,120,658.41 = 384,649,095.88 : x
  2. Step 2: Convert to fraction form
    697,915,629.55/963,120,658.41 = 384,649,095.88/x
  3. Step 3: Cross multiply
    697,915,629.55x = 963,120,658.41 × 384,649,095.88
  4. Step 4: Simplify right side
    697,915,629.55x = 370,463,490,480,756,800
  5. Step 5: Solve for x
    x = 370,463,490,480,756,800/697,915,629.55
  6. Step 6: Final answer
    x = 530,814,148.29

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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.