Home / 769,824,178.80-1,154,736,268.20-339,842,482.80

Finding the Fourth Proportional to 769,824,178.80, 1,154,736,268.20 and 339,842,482.80

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Solution

The fourth proportional to 769,824,178.80, 1,154,736,268.20 and 339,842,482.80 is: 509,763,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,178.80 : 1,154,736,268.20 = 339,842,482.80 : x
  2. Step 2: Convert to fraction form
    769,824,178.80/1,154,736,268.20 = 339,842,482.80/x
  3. Step 3: Cross multiply
    769,824,178.80x = 1,154,736,268.20 × 339,842,482.80
  4. Step 4: Simplify right side
    769,824,178.80x = 392,428,440,364,294,720
  5. Step 5: Solve for x
    x = 392,428,440,364,294,720/769,824,178.80
  6. Step 6: Final answer
    x = 509,763,724.20

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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.