Home / 436,752,421.95-655,128,632.93-403,496,025.15

Finding the Fourth Proportional to 436,752,421.95, 655,128,632.93 and 403,496,025.15

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Solution

The fourth proportional to 436,752,421.95, 655,128,632.93 and 403,496,025.15 is: 605,244,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,752,421.95 : 655,128,632.93 = 403,496,025.15 : x
  2. Step 2: Convert to fraction form
    436,752,421.95/655,128,632.93 = 403,496,025.15/x
  3. Step 3: Cross multiply
    436,752,421.95x = 655,128,632.93 × 403,496,025.15
  4. Step 4: Simplify right side
    436,752,421.95x = 264,341,799,347,190,880
  5. Step 5: Solve for x
    x = 264,341,799,347,190,880/436,752,421.95
  6. Step 6: Final answer
    x = 605,244,037.73

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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.