Home / 443,234,750.40-664,852,125.60-120,118,622.40

Finding the Fourth Proportional to 443,234,750.40, 664,852,125.60 and 120,118,622.40

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Solution

The fourth proportional to 443,234,750.40, 664,852,125.60 and 120,118,622.40 is: 180,177,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,234,750.40 : 664,852,125.60 = 120,118,622.40 : x
  2. Step 2: Convert to fraction form
    443,234,750.40/664,852,125.60 = 120,118,622.40/x
  3. Step 3: Cross multiply
    443,234,750.40x = 664,852,125.60 × 120,118,622.40
  4. Step 4: Simplify right side
    443,234,750.40x = 79,861,121,426,783,776
  5. Step 5: Solve for x
    x = 79,861,121,426,783,776/443,234,750.40
  6. Step 6: Final answer
    x = 180,177,933.60

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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.