Home / 447,119,220.20-670,678,830.30-140,442,333.80

Finding the Fourth Proportional to 447,119,220.20, 670,678,830.30 and 140,442,333.80

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Solution

The fourth proportional to 447,119,220.20, 670,678,830.30 and 140,442,333.80 is: 210,663,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,119,220.20 : 670,678,830.30 = 140,442,333.80 : x
  2. Step 2: Convert to fraction form
    447,119,220.20/670,678,830.30 = 140,442,333.80/x
  3. Step 3: Cross multiply
    447,119,220.20x = 670,678,830.30 × 140,442,333.80
  4. Step 4: Simplify right side
    447,119,220.20x = 94,191,700,157,586,160
  5. Step 5: Solve for x
    x = 94,191,700,157,586,160/447,119,220.20
  6. Step 6: Final answer
    x = 210,663,500.70

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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.