Home / 418,330,143.07-627,571,814.28-172,552,699.24

Finding the Fourth Proportional to 418,330,143.07, 627,571,814.28 and 172,552,699.24

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Solution

The fourth proportional to 418,330,143.07, 627,571,814.28 and 172,552,699.24 is: 258,860,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,330,143.07 : 627,571,814.28 = 172,552,699.24 : x
  2. Step 2: Convert to fraction form
    418,330,143.07/627,571,814.28 = 172,552,699.24/x
  3. Step 3: Cross multiply
    418,330,143.07x = 627,571,814.28 × 172,552,699.24
  4. Step 4: Simplify right side
    418,330,143.07x = 108,289,210,518,741,984
  5. Step 5: Solve for x
    x = 108,289,210,518,741,984/418,330,143.07
  6. Step 6: Final answer
    x = 258,860,644.67

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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.