Home / 436,752,461.20-655,128,691.80-403,496,064.40

Finding the Fourth Proportional to 436,752,461.20, 655,128,691.80 and 403,496,064.40

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Solution

The fourth proportional to 436,752,461.20, 655,128,691.80 and 403,496,064.40 is: 605,244,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,752,461.20 : 655,128,691.80 = 403,496,064.40 : x
  2. Step 2: Convert to fraction form
    436,752,461.20/655,128,691.80 = 403,496,064.40/x
  3. Step 3: Cross multiply
    436,752,461.20x = 655,128,691.80 × 403,496,064.40
  4. Step 4: Simplify right side
    436,752,461.20x = 264,341,848,816,820,512
  5. Step 5: Solve for x
    x = 264,341,848,816,820,512/436,752,461.20
  6. Step 6: Final answer
    x = 605,244,096.60

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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.