Home / 478,934,031.60-718,401,047.40-364,142,775.60

Finding the Fourth Proportional to 478,934,031.60, 718,401,047.40 and 364,142,775.60

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Solution

The fourth proportional to 478,934,031.60, 718,401,047.40 and 364,142,775.60 is: 546,214,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,934,031.60 : 718,401,047.40 = 364,142,775.60 : x
  2. Step 2: Convert to fraction form
    478,934,031.60/718,401,047.40 = 364,142,775.60/x
  3. Step 3: Cross multiply
    478,934,031.60x = 718,401,047.40 × 364,142,775.60
  4. Step 4: Simplify right side
    478,934,031.60x = 261,600,551,394,183,168
  5. Step 5: Solve for x
    x = 261,600,551,394,183,168/478,934,031.60
  6. Step 6: Final answer
    x = 546,214,163.40

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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.