Home / 697,915,637.16-963,120,668.94-384,649,103.52

Finding the Fourth Proportional to 697,915,637.16, 963,120,668.94 and 384,649,103.52

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Solution

The fourth proportional to 697,915,637.16, 963,120,668.94 and 384,649,103.52 is: 530,814,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,915,637.16 : 963,120,668.94 = 384,649,103.52 : x
  2. Step 2: Convert to fraction form
    697,915,637.16/963,120,668.94 = 384,649,103.52/x
  3. Step 3: Cross multiply
    697,915,637.16x = 963,120,668.94 × 384,649,103.52
  4. Step 4: Simplify right side
    697,915,637.16x = 370,463,501,889,353,728
  5. Step 5: Solve for x
    x = 370,463,501,889,353,728/697,915,637.16
  6. Step 6: Final answer
    x = 530,814,158.85

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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.