Home / 1,155,762,080.20-1,733,643,120.30-665,986,054.60

Finding the Fourth Proportional to 1,155,762,080.20, 1,733,643,120.30 and 665,986,054.60

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Solution

The fourth proportional to 1,155,762,080.20, 1,733,643,120.30 and 665,986,054.60 is: 998,979,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,762,080.20 : 1,733,643,120.30 = 665,986,054.60 : x
  2. Step 2: Convert to fraction form
    1,155,762,080.20/1,733,643,120.30 = 665,986,054.60/x
  3. Step 3: Cross multiply
    1,155,762,080.20x = 1,733,643,120.30 × 665,986,054.60
  4. Step 4: Simplify right side
    1,155,762,080.20x = 1,154,582,141,773,030,144
  5. Step 5: Solve for x
    x = 1,154,582,141,773,030,144/1,155,762,080.20
  6. Step 6: Final answer
    x = 998,979,081.90

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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.