Home / 352,512,043.20-528,768,064.80-243,672,926.40

Finding the Fourth Proportional to 352,512,043.20, 528,768,064.80 and 243,672,926.40

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Solution

The fourth proportional to 352,512,043.20, 528,768,064.80 and 243,672,926.40 is: 365,509,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,043.20 : 528,768,064.80 = 243,672,926.40 : x
  2. Step 2: Convert to fraction form
    352,512,043.20/528,768,064.80 = 243,672,926.40/x
  3. Step 3: Cross multiply
    352,512,043.20x = 528,768,064.80 × 243,672,926.40
  4. Step 4: Simplify right side
    352,512,043.20x = 128,846,461,736,680,832
  5. Step 5: Solve for x
    x = 128,846,461,736,680,832/352,512,043.20
  6. Step 6: Final answer
    x = 365,509,389.60

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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.