Home / 1,173,661,709.20-1,760,492,563.80-760,413,187.60

Finding the Fourth Proportional to 1,173,661,709.20, 1,760,492,563.80 and 760,413,187.60

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Solution

The fourth proportional to 1,173,661,709.20, 1,760,492,563.80 and 760,413,187.60 is: 1,140,619,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,661,709.20 : 1,760,492,563.80 = 760,413,187.60 : x
  2. Step 2: Convert to fraction form
    1,173,661,709.20/1,760,492,563.80 = 760,413,187.60/x
  3. Step 3: Cross multiply
    1,173,661,709.20x = 1,760,492,563.80 × 760,413,187.60
  4. Step 4: Simplify right side
    1,173,661,709.20x = 1,338,701,762,185,254,400
  5. Step 5: Solve for x
    x = 1,338,701,762,185,254,400/1,173,661,709.20
  6. Step 6: Final answer
    x = 1,140,619,781.40

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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.