Home / 701,879,460.60-968,623,914.78-388,613,672.04

Finding the Fourth Proportional to 701,879,460.60, 968,623,914.78 and 388,613,672.04

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Solution

The fourth proportional to 701,879,460.60, 968,623,914.78 and 388,613,672.04 is: 536,303,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,879,460.60 : 968,623,914.78 = 388,613,672.04 : x
  2. Step 2: Convert to fraction form
    701,879,460.60/968,623,914.78 = 388,613,672.04/x
  3. Step 3: Cross multiply
    701,879,460.60x = 968,623,914.78 × 388,613,672.04
  4. Step 4: Simplify right side
    701,879,460.60x = 376,420,496,348,415,808
  5. Step 5: Solve for x
    x = 376,420,496,348,415,808/701,879,460.60
  6. Step 6: Final answer
    x = 536,303,621.18

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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.