Home / 806,406,433.60-1,208,759,344.80-314,929,796.80

Finding the Fourth Proportional to 806,406,433.60, 1,208,759,344.80 and 314,929,796.80

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Solution

The fourth proportional to 806,406,433.60, 1,208,759,344.80 and 314,929,796.80 is: 472,062,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,406,433.60 : 1,208,759,344.80 = 314,929,796.80 : x
  2. Step 2: Convert to fraction form
    806,406,433.60/1,208,759,344.80 = 314,929,796.80/x
  3. Step 3: Cross multiply
    806,406,433.60x = 1,208,759,344.80 × 314,929,796.80
  4. Step 4: Simplify right side
    806,406,433.60x = 380,674,334,837,965,120
  5. Step 5: Solve for x
    x = 380,674,334,837,965,120/806,406,433.60
  6. Step 6: Final answer
    x = 472,062,621.25

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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.