Home / 697,915,628.92-963,120,657.55-384,649,095.25

Finding the Fourth Proportional to 697,915,628.92, 963,120,657.55 and 384,649,095.25

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Solution

The fourth proportional to 697,915,628.92, 963,120,657.55 and 384,649,095.25 is: 530,814,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,915,628.92 : 963,120,657.55 = 384,649,095.25 : x
  2. Step 2: Convert to fraction form
    697,915,628.92/963,120,657.55 = 384,649,095.25/x
  3. Step 3: Cross multiply
    697,915,628.92x = 963,120,657.55 × 384,649,095.25
  4. Step 4: Simplify right side
    697,915,628.92x = 370,463,489,539,823,168
  5. Step 5: Solve for x
    x = 370,463,489,539,823,168/697,915,628.92
  6. Step 6: Final answer
    x = 530,814,147.43

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1.5x scale

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.