Home / 436,752,443.20-655,128,664.80-403,496,046.40

Finding the Fourth Proportional to 436,752,443.20, 655,128,664.80 and 403,496,046.40

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Solution

The fourth proportional to 436,752,443.20, 655,128,664.80 and 403,496,046.40 is: 605,244,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,752,443.20 : 655,128,664.80 = 403,496,046.40 : x
  2. Step 2: Convert to fraction form
    436,752,443.20/655,128,664.80 = 403,496,046.40/x
  3. Step 3: Cross multiply
    436,752,443.20x = 655,128,664.80 × 403,496,046.40
  4. Step 4: Simplify right side
    436,752,443.20x = 264,341,826,130,110,816
  5. Step 5: Solve for x
    x = 264,341,826,130,110,816/436,752,443.20
  6. Step 6: Final answer
    x = 605,244,069.60

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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.