Home / 1,245,863,387.20-1,868,795,080.80-1,043,301,697.60

Finding the Fourth Proportional to 1,245,863,387.20, 1,868,795,080.80 and 1,043,301,697.60

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Solution

The fourth proportional to 1,245,863,387.20, 1,868,795,080.80 and 1,043,301,697.60 is: 1,564,952,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,863,387.20 : 1,868,795,080.80 = 1,043,301,697.60 : x
  2. Step 2: Convert to fraction form
    1,245,863,387.20/1,868,795,080.80 = 1,043,301,697.60/x
  3. Step 3: Cross multiply
    1,245,863,387.20x = 1,868,795,080.80 × 1,043,301,697.60
  4. Step 4: Simplify right side
    1,245,863,387.20x = 1,949,717,080,265,169,152
  5. Step 5: Solve for x
    x = 1,949,717,080,265,169,152/1,245,863,387.20
  6. Step 6: Final answer
    x = 1,564,952,546.40

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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.