Home / 539,095,346.28-806,515,367.58-408,314,359.08

Finding the Fourth Proportional to 539,095,346.28, 806,515,367.58 and 408,314,359.08

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Solution

The fourth proportional to 539,095,346.28, 806,515,367.58 and 408,314,359.08 is: 610,860,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,095,346.28 : 806,515,367.58 = 408,314,359.08 : x
  2. Step 2: Convert to fraction form
    539,095,346.28/806,515,367.58 = 408,314,359.08/x
  3. Step 3: Cross multiply
    539,095,346.28x = 806,515,367.58 × 408,314,359.08
  4. Step 4: Simplify right side
    539,095,346.28x = 329,311,805,401,598,336
  5. Step 5: Solve for x
    x = 329,311,805,401,598,336/539,095,346.28
  6. Step 6: Final answer
    x = 610,860,041.13

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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.