Home / 382,619,634.78-574,025,580.81-109,990,897.50

Finding the Fourth Proportional to 382,619,634.78, 574,025,580.81 and 109,990,897.50

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Solution

The fourth proportional to 382,619,634.78, 574,025,580.81 and 109,990,897.50 is: 165,013,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,619,634.78 : 574,025,580.81 = 109,990,897.50 : x
  2. Step 2: Convert to fraction form
    382,619,634.78/574,025,580.81 = 109,990,897.50/x
  3. Step 3: Cross multiply
    382,619,634.78x = 574,025,580.81 × 109,990,897.50
  4. Step 4: Simplify right side
    382,619,634.78x = 63,137,588,821,250,672
  5. Step 5: Solve for x
    x = 63,137,588,821,250,672/382,619,634.78
  6. Step 6: Final answer
    x = 165,013,980.16

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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.