Home / 647,061,185.40-970,591,778.10-302,049,688.20

Finding the Fourth Proportional to 647,061,185.40, 970,591,778.10 and 302,049,688.20

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Solution

The fourth proportional to 647,061,185.40, 970,591,778.10 and 302,049,688.20 is: 453,074,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,061,185.40 : 970,591,778.10 = 302,049,688.20 : x
  2. Step 2: Convert to fraction form
    647,061,185.40/970,591,778.10 = 302,049,688.20/x
  3. Step 3: Cross multiply
    647,061,185.40x = 970,591,778.10 × 302,049,688.20
  4. Step 4: Simplify right side
    647,061,185.40x = 293,166,943,944,588,608
  5. Step 5: Solve for x
    x = 293,166,943,944,588,608/647,061,185.40
  6. Step 6: Final answer
    x = 453,074,532.30

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Similar ratio
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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.