Home / 453,480,231.80-680,286,702.90-146,720,142.20

Finding the Fourth Proportional to 453,480,231.80, 680,286,702.90 and 146,720,142.20

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Solution

The fourth proportional to 453,480,231.80, 680,286,702.90 and 146,720,142.20 is: 220,101,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,480,231.80 : 680,286,702.90 = 146,720,142.20 : x
  2. Step 2: Convert to fraction form
    453,480,231.80/680,286,702.90 = 146,720,142.20/x
  3. Step 3: Cross multiply
    453,480,231.80x = 680,286,702.90 × 146,720,142.20
  4. Step 4: Simplify right side
    453,480,231.80x = 99,811,761,786,257,136
  5. Step 5: Solve for x
    x = 99,811,761,786,257,136/453,480,231.80
  6. Step 6: Final answer
    x = 220,101,682.03

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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.