Home / 443,562,487.60-665,343,731.40-328,771,231.60

Finding the Fourth Proportional to 443,562,487.60, 665,343,731.40 and 328,771,231.60

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Solution

The fourth proportional to 443,562,487.60, 665,343,731.40 and 328,771,231.60 is: 493,156,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,562,487.60 : 665,343,731.40 = 328,771,231.60 : x
  2. Step 2: Convert to fraction form
    443,562,487.60/665,343,731.40 = 328,771,231.60/x
  3. Step 3: Cross multiply
    443,562,487.60x = 665,343,731.40 × 328,771,231.60
  4. Step 4: Simplify right side
    443,562,487.60x = 218,745,878,009,717,600
  5. Step 5: Solve for x
    x = 218,745,878,009,717,600/443,562,487.60
  6. Step 6: Final answer
    x = 493,156,847.40

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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.