Home / 503,874,634.02-695,645,271.48-447,965,629.50

Finding the Fourth Proportional to 503,874,634.02, 695,645,271.48 and 447,965,629.50

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Solution

The fourth proportional to 503,874,634.02, 695,645,271.48 and 447,965,629.50 is: 618,457,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,874,634.02 : 695,645,271.48 = 447,965,629.50 : x
  2. Step 2: Convert to fraction form
    503,874,634.02/695,645,271.48 = 447,965,629.50/x
  3. Step 3: Cross multiply
    503,874,634.02x = 695,645,271.48 × 447,965,629.50
  4. Step 4: Simplify right side
    503,874,634.02x = 311,625,171,952,052,160
  5. Step 5: Solve for x
    x = 311,625,171,952,052,160/503,874,634.02
  6. Step 6: Final answer
    x = 618,457,749.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.