Home / 352,512,079.20-528,768,118.80-243,672,962.40

Finding the Fourth Proportional to 352,512,079.20, 528,768,118.80 and 243,672,962.40

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Solution

The fourth proportional to 352,512,079.20, 528,768,118.80 and 243,672,962.40 is: 365,509,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,079.20 : 528,768,118.80 = 243,672,962.40 : x
  2. Step 2: Convert to fraction form
    352,512,079.20/528,768,118.80 = 243,672,962.40/x
  3. Step 3: Cross multiply
    352,512,079.20x = 528,768,118.80 × 243,672,962.40
  4. Step 4: Simplify right side
    352,512,079.20x = 128,846,493,930,671,136
  5. Step 5: Solve for x
    x = 128,846,493,930,671,136/352,512,079.20
  6. Step 6: Final answer
    x = 365,509,443.60

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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.