Home / 440,190,672-606,822,894.72-307,620,084.48

Finding the Fourth Proportional to 440,190,672, 606,822,894.72 and 307,620,084.48

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Solution

The fourth proportional to 440,190,672, 606,822,894.72 and 307,620,084.48 is: 424,068,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,190,672 : 606,822,894.72 = 307,620,084.48 : x
  2. Step 2: Convert to fraction form
    440,190,672/606,822,894.72 = 307,620,084.48/x
  3. Step 3: Cross multiply
    440,190,672x = 606,822,894.72 × 307,620,084.48
  4. Step 4: Simplify right side
    440,190,672x = 186,670,910,138,164,576
  5. Step 5: Solve for x
    x = 186,670,910,138,164,576/440,190,672
  6. Step 6: Final answer
    x = 424,068,300.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.