Home / 880,259,813.40-1,320,389,720.10-396,530,405.40

Finding the Fourth Proportional to 880,259,813.40, 1,320,389,720.10 and 396,530,405.40

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Solution

The fourth proportional to 880,259,813.40, 1,320,389,720.10 and 396,530,405.40 is: 594,795,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,259,813.40 : 1,320,389,720.10 = 396,530,405.40 : x
  2. Step 2: Convert to fraction form
    880,259,813.40/1,320,389,720.10 = 396,530,405.40/x
  3. Step 3: Cross multiply
    880,259,813.40x = 1,320,389,720.10 × 396,530,405.40
  4. Step 4: Simplify right side
    880,259,813.40x = 523,574,670,997,245,440
  5. Step 5: Solve for x
    x = 523,574,670,997,245,440/880,259,813.40
  6. Step 6: Final answer
    x = 594,795,608.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.