Home / 880,259,810.40-1,320,389,715.60-396,530,402.40

Finding the Fourth Proportional to 880,259,810.40, 1,320,389,715.60 and 396,530,402.40

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Solution

The fourth proportional to 880,259,810.40, 1,320,389,715.60 and 396,530,402.40 is: 594,795,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,259,810.40 : 1,320,389,715.60 = 396,530,402.40 : x
  2. Step 2: Convert to fraction form
    880,259,810.40/1,320,389,715.60 = 396,530,402.40/x
  3. Step 3: Cross multiply
    880,259,810.40x = 1,320,389,715.60 × 396,530,402.40
  4. Step 4: Simplify right side
    880,259,810.40x = 523,574,665,251,689,472
  5. Step 5: Solve for x
    x = 523,574,665,251,689,472/880,259,810.40
  6. Step 6: Final answer
    x = 594,795,603.60

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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.