Home / 1,085,276,254.10-1,627,924,222.11-308,921,609.54

Finding the Fourth Proportional to 1,085,276,254.10, 1,627,924,222.11 and 308,921,609.54

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Solution

The fourth proportional to 1,085,276,254.10, 1,627,924,222.11 and 308,921,609.54 is: 463,385,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,276,254.10 : 1,627,924,222.11 = 308,921,609.54 : x
  2. Step 2: Convert to fraction form
    1,085,276,254.10/1,627,924,222.11 = 308,921,609.54/x
  3. Step 3: Cross multiply
    1,085,276,254.10x = 1,627,924,222.11 × 308,921,609.54
  4. Step 4: Simplify right side
    1,085,276,254.10x = 502,900,970,903,373,632
  5. Step 5: Solve for x
    x = 502,900,970,903,373,632/1,085,276,254.10
  6. Step 6: Final answer
    x = 463,385,215.52

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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.