Home / 995,015,643.40-1,373,126,335.14-548,978,978.44

Finding the Fourth Proportional to 995,015,643.40, 1,373,126,335.14 and 548,978,978.44

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Solution

The fourth proportional to 995,015,643.40, 1,373,126,335.14 and 548,978,978.44 is: 757,593,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,015,643.40 : 1,373,126,335.14 = 548,978,978.44 : x
  2. Step 2: Convert to fraction form
    995,015,643.40/1,373,126,335.14 = 548,978,978.44/x
  3. Step 3: Cross multiply
    995,015,643.40x = 1,373,126,335.14 × 548,978,978.44
  4. Step 4: Simplify right side
    995,015,643.40x = 753,817,492,734,218,368
  5. Step 5: Solve for x
    x = 753,817,492,734,218,368/995,015,643.40
  6. Step 6: Final answer
    x = 757,593,609.44

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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.