Home / 1,279,152,005.20-1,918,728,007.80-1,072,527,744.40

Finding the Fourth Proportional to 1,279,152,005.20, 1,918,728,007.80 and 1,072,527,744.40

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Solution

The fourth proportional to 1,279,152,005.20, 1,918,728,007.80 and 1,072,527,744.40 is: 1,608,791,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,152,005.20 : 1,918,728,007.80 = 1,072,527,744.40 : x
  2. Step 2: Convert to fraction form
    1,279,152,005.20/1,918,728,007.80 = 1,072,527,744.40/x
  3. Step 3: Cross multiply
    1,279,152,005.20x = 1,918,728,007.80 × 1,072,527,744.40
  4. Step 4: Simplify right side
    1,279,152,005.20x = 2,057,889,022,322,839,552
  5. Step 5: Solve for x
    x = 2,057,889,022,322,839,552/1,279,152,005.20
  6. Step 6: Final answer
    x = 1,608,791,616.60

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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.