Home / 539,093,874.61-806,513,164.47-408,312,887.50

Finding the Fourth Proportional to 539,093,874.61, 806,513,164.47 and 408,312,887.50

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Solution

The fourth proportional to 539,093,874.61, 806,513,164.47 and 408,312,887.50 is: 610,857,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,093,874.61 : 806,513,164.47 = 408,312,887.50 : x
  2. Step 2: Convert to fraction form
    539,093,874.61/806,513,164.47 = 408,312,887.50/x
  3. Step 3: Cross multiply
    539,093,874.61x = 806,513,164.47 × 408,312,887.50
  4. Step 4: Simplify right side
    539,093,874.61x = 329,309,718,991,508,096
  5. Step 5: Solve for x
    x = 329,309,718,991,508,096/539,093,874.61
  6. Step 6: Final answer
    x = 610,857,838.50

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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.